Ifcs 2a5x3b - 5 Level Pre-test

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1. What part of a helicopter is designed to counter the tendency of the aircraft to spin about the vertical axis?

Explanation

The tail rotor of a helicopter is designed to counter the tendency of the aircraft to spin about the vertical axis. This is known as yawing. The main rotor generates a torque that causes the helicopter to spin in the opposite direction. The tail rotor, located on the tail boom, produces a sideways thrust that counteracts this torque and helps maintain the helicopter's stability and control.

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About This Quiz
Air Force Quizzes & Trivia

This pretest will be used to help ensure that you are ready to pass your End of Course Exam (EOC). You Must Score at least a... see more90% to Pass, there are 125 Questions. All the information found in this pre-test is available in your CDC's.

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2. The process of using fixed points and their bearings to isolate a position in space is called

Explanation

Triangulation is the process of using fixed points and their bearings to determine the position of an object or location in space. This method involves forming triangles between known points and the unknown point, and then using trigonometry to calculate the unknown position. By measuring the angles and distances between the fixed points, triangulation allows for accurate positioning. Pseudo fixing, decoding, and shading are not related to this process.

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3. If a tool is not found on an aircraft after a thorough search, place a red

Explanation

If a tool is not found on an aircraft after a thorough search, it is common practice to mark it with an "X" in the aircraft forms. This indicates that the tool is missing and helps to keep track of any potential foreign object damage. By marking it in this way, the maintenance team can easily identify that the tool needs to be located or replaced before the aircraft can be considered ready for use.

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4. What type of errors may not be detected by the Integrated Maintenance Data System?

Explanation

The Integrated Maintenance Data System is designed to detect and record errors in maintenance data. However, it may not be able to detect errors in one-of-a-kind entries. These entries are unique and do not have a standard format or predefined parameters for error detection. Therefore, the system may not be programmed to identify or flag any errors in these types of entries.

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5. Which type of technical manual is used in conjunction with troubleshooting requirements to isolate malfunctions?

Explanation

A job guide is a type of technical manual that is used in conjunction with troubleshooting requirements to isolate malfunctions. It provides step-by-step instructions and procedures for technicians to follow in order to identify and resolve issues with a particular piece of equipment or system. It helps them systematically diagnose and troubleshoot problems, ensuring that they follow the correct procedures and avoid any unnecessary or incorrect actions. This type of manual is commonly used in various industries, including aviation, to assist technicians in effectively troubleshooting and resolving malfunctions.

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6. What effect does raising the collective have on the main rotor of a helicopter?

Explanation

Raising the collective in a helicopter refers to increasing the pitch angle of all the main rotor blades simultaneously. This action increases the angle of attack of the blades, resulting in a higher lift force being generated. Therefore, raising the collective increases the lift produced by the main rotor of a helicopter.

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7. What do cable tensiometers measure?

Explanation

Cable tensiometers are instruments used to measure the specific degree of cable tightness. They are designed to provide accurate readings of the tension or force applied to a cable, ensuring that it is within the desired range for optimal performance and safety. By measuring the tension, cable tensiometers help to prevent over-tightening or under-tightening of cables, which can lead to damage or failure.

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8. What portion of an AF Form 1492, Warning Tag, is used to provide a "cross-check" with the aircraft forms and is inserted through the aircraft forms binder?

Explanation

The bottom portion of an AF Form 1492, Warning Tag, is used to provide a "cross-check" with the aircraft forms and is inserted through the aircraft forms binder. This means that when the tag is inserted through the binder, it can be easily seen and checked against the aircraft forms to ensure that all necessary information is present and accurate.

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9. The Air Force Instruction that governs the current wing organization and operation is

Explanation

The correct answer is 21-101 because it is the Air Force Instruction that specifically governs the current wing organization and operation. The other options, 39-1, 53-3, and 21-99, do not pertain to wing organization and operation.

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10. Which indicator helps the pilot maintain a specific rate of climb or dive?

Explanation

The vertical velocity indicator helps the pilot maintain a specific rate of climb or dive. This instrument provides information about the rate at which the aircraft is ascending or descending, measured in feet per minute. By monitoring the vertical velocity, the pilot can adjust the aircraft's pitch and throttle to achieve and maintain the desired rate of climb or descent. The altimeter measures the altitude, the machmeter measures the aircraft's speed relative to the speed of sound, and the true airspeed indicator provides the true airspeed of the aircraft. However, these indicators do not specifically help in maintaining a specific rate of climb or dive.

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11. Which type of cable is used to carry radio-frequency power from one point to another?

Explanation

Coaxial cable is used to carry radio-frequency power from one point to another. It consists of a central conductor surrounded by an insulating layer, a metallic shield, and an outer insulating layer. The shield helps to minimize interference and signal loss, making it ideal for transmitting high-frequency signals over long distances. Coaxial cables are commonly used in telecommunications, cable TV, and networking applications.

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12. The master caution light can be extinguished or reset by

Explanation

The master caution light can be extinguished or reset by depressing it momentarily. This means that by pressing the master caution light button briefly, the light will turn off or be reset. It does not require multiple presses or the use of any other switches or circuit breakers.

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13. The fuel flow transmitter motor drives the impeller at a

Explanation

The fuel flow transmitter motor drives the impeller at a constant 60 RPM. This means that the speed of the impeller remains the same and does not change. It is not variable, meaning it does not fluctuate or change speed. The constant speed allows for consistent and accurate measurement of fuel flow.

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14. The single most important contributor to corrosion in avionics systems is

Explanation

Moisture is the single most important contributor to corrosion in avionics systems. Moisture can lead to the formation of rust and other corrosive substances, which can damage the sensitive electronic components in avionics systems. Moisture can also cause electrical shorts and degrade the performance of the system. Therefore, controlling and preventing moisture is crucial in maintaining the integrity and reliability of avionics systems.

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15. Which flight in the maintenance squadron supports the field assistance support team for calibration?

Explanation

The flight in the maintenance squadron that supports the field assistance support team for calibration is the Test, measurement, and diagnostic equipment flight. This flight is responsible for maintaining and calibrating the equipment used for testing, measuring, and diagnosing various systems and components. They ensure that the equipment is accurate and functioning properly, which is crucial for the field assistance support team to effectively calibrate and troubleshoot any issues with the aircraft.

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16. What type of corrosion occurs when dissimilar metals are in contact and an external circuit is provided by the presence of moisture?

Explanation

Galvanic corrosion occurs when dissimilar metals are in contact and an external circuit is provided by the presence of moisture. This type of corrosion happens due to the difference in electrical potential between the metals, causing one metal to corrode while the other remains protected. The presence of moisture acts as an electrolyte, allowing the flow of electrons between the metals and accelerating the corrosion process.

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17. Corrosion prevention is the responsibility of

Explanation

Corrosion prevention is a collective responsibility that should be shared by everyone involved in the maintenance of aerospace equipment. This includes not only the supervisor, squadron commander, and sheet metal shop personnel, but also other individuals who are part of the maintenance team. Preventing corrosion is crucial to ensure the longevity and performance of aerospace equipment, and it requires a collaborative effort from all individuals involved in its maintenance.

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18. Which is not one of the forces at work on an aircraft in flight?

Explanation

Deceleration is not one of the forces at work on an aircraft in flight. Lift is the upward force that opposes gravity and keeps the aircraft airborne. Thrust is the forward force that propels the aircraft through the air. Gravity is the downward force that pulls the aircraft towards the ground. Deceleration, on the other hand, refers to the slowing down or negative acceleration of an object in motion, which is not a force acting on the aircraft during normal flight.

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19. With the flight director system's HSI remote heading slew switch in the DUAL position, which HSI heading marker(s) move when the pilot's heading slew control is pressed?

Explanation

When the flight director system's HSI remote heading slew switch is in the DUAL position, both the pilot's and copilot's HSI heading markers move when the pilot's heading slew control is pressed. This means that both the pilot and copilot can control and adjust the heading marker simultaneously.

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20. The maintenance data collection data element used to tie together all maintenance actions on a specific job is the

Explanation

The job control number is used as a maintenance data collection data element to tie together all maintenance actions on a specific job. It serves as a unique identifier for the job and helps in tracking and organizing the maintenance activities related to that job. The work unit code, work center code, and identification number may also be used for different purposes in maintenance management, but they do not specifically serve the function of tying together all maintenance actions on a specific job.

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21. The first five digits of a job control number indicate the

Explanation

The first five digits of a job control number indicate the year and Julian date. The Julian date is a system where each day of the year is assigned a unique number from 001 to 365 (or 366 in a leap year). By using the first five digits of the job control number, one can determine the year and the specific date when the job was performed or initiated. This system helps in tracking and organizing tasks based on the timeline of the year.

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22. A work center that contributes labor towards a maintenance requirement is a

Explanation

A performing work center refers to a work center that contributes labor towards a maintenance requirement. This means that it is responsible for carrying out the necessary tasks and activities related to the maintenance work. Unlike a reporting work center, which provides information and updates on the progress of the maintenance work, a performing work center actively performs the required tasks. It is different from a nonreporting work center, which does not provide any reporting or performing functions in relation to the maintenance requirement. Therefore, the correct answer is performing work center.

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23. The number 1012 represents the

Explanation

The number 1012 is in binary form because it only contains the digits 0 and 1. In the binary numbering system, each digit represents a power of 2, with the rightmost digit representing 2^0, the next digit representing 2^1, and so on. Therefore, the number 1012 can be expanded as (1 * 2^3) + (0 * 2^2) + (1 * 2^1) + (2 * 2^0) = 8 + 0 + 2 + 0 = 10 in decimal form. Since the number is in binary, the correct answer is the binary numbering system.

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24. Which flight control surface position indicator displays percentage of surface extension?

Explanation

The correct answer is Flap. Flaps are a type of flight control surface located on the wings of an aircraft. They are used to increase the lift and drag of the aircraft during takeoff and landing. The position of the flaps can be adjusted to different degrees of extension, which is typically displayed as a percentage. This allows pilots to know the exact position of the flaps and adjust them accordingly for different flight conditions.

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25. When a person responsible for property is transferred and the property remains with the organization, the property responsibility

Explanation

When a person responsible for property is transferred, it means that they are no longer in charge of the property. However, the property itself still belongs to the organization, so the responsibility for it remains within the organization. Even though the specific person may have changed, the organization still maintains control and accountability for the property.

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26. When the home station check becomes due during a mission, the inspection is performed

Explanation

The correct answer is "upon completion of that mission". This means that the home station check is performed once the mission is finished. It is done as a routine inspection to ensure that everything is in proper working order before the next mission or task is undertaken. This helps to maintain the safety and efficiency of the equipment or system being inspected.

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27. The number entered in the TAG NUMBER block of the AFTO Form 349 comes from

Explanation

The number entered in the TAG NUMBER block of the AFTO Form 349 comes from the AFTO Form 350. This suggests that the AFTO Form 350 contains the necessary information or reference to determine the specific tag number that should be entered on the AFTO Form 349. It is likely that the AFTO Form 350 serves as a source or guide for assigning tag numbers to different items or components, ensuring proper documentation and tracking.

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28. When an authorized individual has made sufficient investigation to justify that an aerospace vehicle is safe for flight, what block on the AFTO Form 781H is signed?

Explanation

When an authorized individual has made sufficient investigation to justify that an aerospace vehicle is safe for flight, they sign the "Exceptional release" block on the AFTO Form 781H. This signifies that the vehicle is cleared for flight despite any outstanding discrepancies or issues that may still exist. The exceptional release indicates that the authorized individual has determined that the vehicle is safe to fly and any remaining issues are not significant enough to prevent flight.

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29. Information describing the condition of a RT on a Military Standard 1553B data bus is transmitted as a

Explanation

The correct answer is "status word in response to a command from the bus controller." In a Military Standard 1553B data bus, the condition of a Remote Terminal (RT) is transmitted as a status word in response to a command from the bus controller. The status word provides information about the RT's current state or status, allowing the bus controller to monitor and control the RT effectively. This communication protocol ensures efficient and reliable data transmission between the RTs and the bus controller in military applications.

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30. When the DC fuel quantity indicating system self-test switch is pressed, the indicators should read

Explanation

When the DC fuel quantity indicating system self-test switch is pressed, the indicators should read 98 percent (±2 percent) full. This means that the fuel quantity indicators should show a reading of 98 percent full, with a tolerance of ±2 percent. This indicates that the fuel tank is almost completely full, with a small margin of error.

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31. A red X symbol on an inspection form is cleared by

Explanation

The red X symbol on an inspection form is cleared by an authorized inspector initialing over the symbol. This means that the inspector has reviewed the form and confirmed that the issue or problem indicated by the red X has been resolved or addressed. By initialing over the symbol, the inspector is providing their approval and signifying that the inspection has been completed and the form is now cleared.

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32. Which video symbology display system component receives compass, A/S, roll/pitch, and radio altitude information via the system electronic unit?

Explanation

The symbol generator unit receives compass, A/S (airspeed), roll/pitch, and radio altitude information via the system electronic unit. This unit is responsible for generating the video symbology display, which includes symbols such as aircraft attitude, altitude, heading, and speed. It takes the input data from various sensors and systems and translates it into visual symbols that are displayed on the screen for the pilot's reference and situational awareness.

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33. How do maintenance personnel in the maintenance complex use the Integrated Maintenance Data System to communicate with the base computer system?

Explanation

Maintenance personnel in the maintenance complex use the Integrated Maintenance Data System to communicate with the base computer system via a remote terminal. This means that they are able to access and interact with the computer system from a separate location, allowing them to input and retrieve information, perform tasks, and communicate with the system without being physically present at the base computer system. This remote access enables efficient and convenient communication between maintenance personnel and the base computer system.

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34. Flux is designed to

Explanation

Flux is a substance used in soldering to prevent the oxidation of metal surfaces. When metal is exposed to oxygen, it can form a layer of oxide that hinders the flow of electricity. By applying flux, it creates a protective barrier that prevents oxygen from combining with the metal, ensuring electrical conductivity and a clean connection.

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35. The most accurate inertial navigation system alignment is

Explanation

Pure inertial refers to a navigation system that relies solely on the measurements from inertial sensors, such as accelerometers and gyroscopes, to estimate the position, velocity, and attitude of a moving object. This method does not rely on external aids or references, making it highly accurate and independent of any external factors. Therefore, pure inertial navigation is considered the most accurate alignment for an inertial navigation system.

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36. On the C–5 roll control system, what provides positive system centering with no force applied to the control wheel?

Explanation

The spring provides positive system centering with no force applied to the control wheel. Springs are commonly used in control systems to provide a neutral or centered position for the control device, such as a control wheel. When no force is applied to the control wheel, the spring returns it to a neutral position, ensuring that the system remains centered. This allows for easier control and stability in the aircraft's roll movements.

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37. Mechanical error within the A/S indicator is called

Explanation

The correct answer is instrument error. This is because a mechanical error within the A/S (airspeed) indicator is referred to as an instrument error. This error can occur due to various factors such as wear and tear, calibration issues, or malfunctioning components within the instrument. It is important to regularly calibrate and maintain aircraft instruments to minimize instrument errors and ensure accurate readings.

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38. What may not be included on a bulletin board?

Explanation

Classified information may not be included on a bulletin board because it is sensitive and confidential information that is restricted to a specific audience. Bulletin boards are typically used for displaying general and public information, such as important notices or announcements. Classified information, on the other hand, is highly confidential and should only be accessed by authorized personnel. Therefore, it should not be displayed on a bulletin board where it can be easily seen by unauthorized individuals.

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39. Information provided by the reference designation index section of the illustrated parts breakdown provides for cross-referencing

Explanation

The correct answer is figure, index number, and part number. The information provided by the reference designation index section of the illustrated parts breakdown allows for cross-referencing these three elements. This means that by using the figure, index number, and part number, one can easily locate and identify the specific part needed. The other options mentioned in the question (usable on code, vendor's code and figure, and index number, technical order page number, and cabinet, shelf, or drawer number) are not mentioned as part of the cross-referencing process in the given information.

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40. To "flag" a condition on an aircraft that could cause damage or injury if ignored, use an

Explanation

The correct answer is AF Form 1492, Warning Tag. This form is used to flag a condition on an aircraft that could cause damage or injury if ignored. It serves as a visual warning to personnel that there is a potential danger associated with the condition. The other options mentioned, AFTO Form 781K, AFTO Form 244, and AF Form 979, are not specifically designed for flagging conditions on an aircraft that could cause damage or injury.

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41. When a screwdriver blade becomes nicked or the edges become rounded, it should be

Explanation

When a screwdriver blade becomes nicked or the edges become rounded, it should be reground or filed. This is because a nicked or rounded blade can lead to slipping and damage to the screw or surrounding materials. By regrounding or filing the blade, the edges can be restored to their original sharpness, ensuring proper grip and preventing any potential damage.

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42. The Integrated Maintenance Data System minimizes maintenance data collection errors by

Explanation

The Integrated Maintenance Data System minimizes maintenance data collection errors by limiting the number of required entries by providing known information. This means that the system already has pre-filled information that the user can select from, reducing the chances of manual data entry errors. By providing known information, the system streamlines the data collection process and ensures accuracy. This approach also saves time for the user, as they do not have to manually input every piece of information.

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43. What do the cyclic and collective flight controls use to change the pitch of the rotor blades?

Explanation

The cyclic and collective flight controls use the swash plate to change the pitch of the rotor blades. The swash plate is a mechanical device that allows the pilot to control the angle of the rotor blades individually or collectively. By tilting the swash plate in different directions, the pilot can change the pitch of the rotor blades, which in turn affects the lift and direction of the helicopter. This allows the pilot to control the helicopter's movement in different directions and change its altitude.

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44. The primary purpose of the Integrated Maintenance Data System screen 380 is to

Explanation

The Integrated Maintenance Data System screen 380 serves as a tool to provide an up-to-date list of open Job Control Numbers (JCNs). This means that it allows users to view and access a current and comprehensive list of JCNs that are still open and ongoing. It does not involve generating new JCNs, maintaining data and status of YR/EVENT IDs and work center events, or modifying entries found to be in error.

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45. The global positioning system satellites and receivers are synchronized to the nanosecond by

Explanation

The correct answer is atomic clocks. Atomic clocks are highly accurate timekeeping devices that use the vibrations of atoms to measure time. They are used to synchronize the global positioning system (GPS) satellites and receivers to ensure precise timing information. Quartz crystals are also used in some timekeeping devices, but they are not as accurate as atomic clocks. Flux capacitor ion gating and time warps are fictional concepts and not used in GPS synchronization.

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46. How are change pages inserted into existing technical orders (TO)?

Explanation

When change pages are inserted into existing technical orders (TO), they replace the page of the same number. This means that if there is a change to a specific page in the TO, the new information is inserted by replacing the existing page with the updated content. This ensures that the TO remains up to date and accurate.

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47. Emergency devices are usually lock wired with a

Explanation

Emergency devices are usually lock wired with a single strand of 0.020 copper shear wire because this type of wire is strong enough to secure the device in place and prevent it from becoming loose or detached during emergencies. The 0.020 thickness provides sufficient strength to withstand vibrations and shocks, ensuring that the device remains in its intended position. Using a single strand simplifies the lock wiring process and reduces the likelihood of errors or complications. Additionally, copper shear wire is commonly used for lock wiring due to its durability and resistance to corrosion.

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48. When activated, which switch causes the No. 1 SCADC to output fixed values of altitude, vertical speed, mach, A/S, and true A/S?

Explanation

The correct answer is the Pilot’s SCADC self-test switch. When this switch is activated, it causes the No. 1 SCADC (System Control and Display Unit) to output fixed values of altitude, vertical speed, mach, A/S (airspeed), and true A/S (true airspeed). This switch is used for testing purposes to ensure that the SCADC is functioning properly.

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49. To view data on the alphanumeric display of the CITS computer display panel, the DIS mode switch must be in what position?

Explanation

To view data on the alphanumeric display of the CITS computer display panel, the DIS mode switch must be in the "CMPTR" position. This suggests that the CMPTR position allows the computer display panel to show the data on the alphanumeric display. The other options, STIM, KYBD, and START, are not mentioned as necessary positions for viewing data on the display panel.

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50. Whose role is it to increase reliability and maintainability of aircraft and support equipment?

Explanation

Quality assurance is responsible for ensuring that the reliability and maintainability of aircraft and support equipment are increased. They are in charge of developing and implementing quality control procedures, conducting inspections and audits, and identifying and resolving any issues or deficiencies in the maintenance and support processes. By monitoring and evaluating the performance and effectiveness of these processes, quality assurance plays a crucial role in maintaining the reliability and maintainability of aircraft and support equipment.

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51. What type of error is caused by the location and manner in which a pitot tube is installed?

Explanation

The correct answer is installation error. This type of error is caused by the location and manner in which a pitot tube is installed. If the pitot tube is not installed correctly or in the proper location, it can lead to inaccurate measurements of airspeed.

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52. What safety device in the wing spoiler cable system of the C–5 aircraft closes the affected spoiler panels when a cable or pushrod is disconnected?

Explanation

The correct answer is Spring. In the wing spoiler cable system of the C-5 aircraft, the spring acts as a safety device that closes the affected spoiler panels when a cable or pushrod is disconnected. The spring provides tension and ensures that the spoiler panels are in the closed position, maintaining the aerodynamic integrity of the aircraft.

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53. Supply discipline starts with

Explanation

Supply discipline starts with each individual. This means that each person is responsible for maintaining and following proper supply procedures and protocols. It emphasizes the importance of personal accountability and attention to detail in managing and using supplies efficiently. Regardless of their position or rank, every individual plays a role in ensuring that supplies are properly handled, stored, and utilized to meet the organization's needs. This answer highlights the fundamental principle that everyone has a part to play in maintaining supply discipline.

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54. The normal inspection work card deck must be completed upon termination of the contingency, during increased readiness, or at the expiration of the authorized usage period as directed by the

Explanation

The normal inspection work card deck must be completed upon termination of the contingency, during increased readiness, or at the expiration of the authorized usage period as directed by the major command. This means that it is the responsibility of the major command to determine when the normal inspection work card deck should be completed. The major command has the authority to set the guidelines and timelines for completing the deck, ensuring that it is done in a timely manner and in accordance with regulations and requirements.

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55. All components of the computer connect in some way to the

Explanation

The motherboard is the main circuit board in a computer that connects and allows communication between all the components. It houses the CPU, memory, and other essential components, and provides the necessary electrical connections for them to function together. Therefore, it is responsible for connecting all the components of the computer, including the monitor, keyboard, and hard drive.

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56. When the bus controller detects a transmission error while communicating with a RT on the Military Standard 1553B data bus, the bus controller

Explanation

When the bus controller detects a transmission error while communicating with a RT on the Military Standard 1553B data bus, it will retransmit the command several times in an attempt to establish contact with the RT. If the retransmission attempts are unsuccessful, the bus controller will then try to communicate with the RT using the backup data bus.

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57. If a failure should occur in the output channel A, the C–5 stability augmentation system

Explanation

In the given scenario, if a failure occurs in the output channel A, the C-5 stability augmentation system switches to channel B. This means that the system transfers its operation to the backup channel B in order to continue functioning. However, unlike the other options, it does not disengage the system. Instead, it remains engaged, ensuring that the stability augmentation system continues to operate effectively using the backup channel B.

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58. Which form provides an interface between on- and off-equipment maintenance documentation, and also serves as an identification and status tag?

Explanation

AFTO Form 350 serves as an interface between on- and off-equipment maintenance documentation and also functions as an identification and status tag. This form is commonly used in the Air Force for recording and tracking maintenance actions, inspections, and repairs. It provides a standardized format for documenting maintenance activities and serves as a communication tool between maintenance personnel. Additionally, it includes fields for recording identification information and indicating the status of the equipment, making it a comprehensive form for maintenance purposes.

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59. The attitude heading reference system DG pitch gimbal is aligned with and continuously follows the

Explanation

The attitude heading reference system (AHRS) DG pitch gimbal is aligned with and continuously follows the VG pitch gimbal. This means that the AHRS DG pitch gimbal is synchronized with the VG pitch gimbal and adjusts its position accordingly. The VG pitch gimbal is likely an important component in determining the pitch attitude of the aircraft, and the AHRS DG relies on it for accurate pitch information.

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60. Utilizing exact dimensions for stripping wire ensures

Explanation

Utilizing exact dimensions for stripping wire ensures a proper connection. When the wire is stripped to the correct dimensions, it allows for a secure and tight fit when connecting the wire to other components or connectors. This ensures that there is no impedance in the radio-frequency, meaning that the signal can flow smoothly without any disruptions. Additionally, when the wire is stripped correctly, it allows for proper mating of connectors, ensuring a reliable and efficient connection. Moreover, precise stripping dimensions also help in ensuring that solder adheres properly, further enhancing the quality of the connection.

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61. The symbol used to indicate an unsatisfactory condition that is not serious enough to ground an aircraft or remove equipment from service is a red

Explanation

The symbol used to indicate an unsatisfactory condition that is not serious enough to ground an aircraft or remove equipment from service is a diagonal. This symbol is commonly used in aviation to denote a minor issue or discrepancy that does not pose a significant safety risk. It is important for pilots and maintenance personnel to be able to identify and understand these symbols in order to make informed decisions about the airworthiness of an aircraft.

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62. The Integrated Maintenance Data System is a

Explanation

The Integrated Maintenance Data System (IMDS) is a base-level computer system used for maintenance management. This means that it is utilized at the lower levels of an organization, such as at a specific base or unit, to manage maintenance activities. It helps track and document maintenance tasks, schedules, and resources, ensuring that equipment and systems are properly maintained and operational. The IMDS is not a command-level system used for supply management, as it focuses specifically on maintenance management.

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63. Which integrated flight management system subsystem uses multiple satellites to calculate the aircraft's present longitude and latitude?

Explanation

The correct answer is the global positioning system. This system uses multiple satellites to accurately determine the aircraft's present longitude and latitude. The global positioning system is a widely used and reliable technology for navigation purposes, providing precise location information in real-time. It utilizes signals from multiple satellites to triangulate the aircraft's position, making it an essential subsystem of the integrated flight management system.

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64. On the C–5, what converts the input signal from the aileron cable system to a proportional output signal to the flight spoilers?

Explanation

The mix box is responsible for converting the input signal from the aileron cable system to a proportional output signal to the flight spoilers. This means that it takes the input signal from the aileron cable system and adjusts it in a way that corresponds to the desired movement of the flight spoilers. The mix box ensures that the movement of the ailerons is translated accurately into the movement of the flight spoilers, providing the necessary control and stability during flight.

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65. What fasteners are normally used for securing components to a panel?

Explanation

Dzus fasteners are commonly used for securing components to a panel. They are popular in industries such as aerospace and automotive due to their quick and secure fastening capabilities. Dzus fasteners consist of a stud and a receptacle, which can be easily engaged and disengaged by turning the stud. This allows for efficient and reliable attachment of components to panels, making Dzus fasteners a preferred choice in various applications.

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66. Each C–5 slat surface is extended and retracted by two

Explanation

The correct answer is telescoping ballscrew actuators. These actuators are responsible for extending and retracting the C-5 slat surface. They use a ballscrew mechanism to convert rotary motion into linear motion, allowing for precise control of the slat position. The telescoping design allows for the actuators to be compact when retracted and extend to the desired length when activated. This mechanism provides the necessary force and movement to operate the slats effectively.

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67. Which lock wire method is most appropriate for hard-to-reach or closely grouped parts?

Explanation

The single-twist lock wire method is the most appropriate for hard-to-reach or closely grouped parts. This method involves twisting the wire tightly around the parts being secured, creating a strong and secure connection. It is particularly effective in situations where access is limited or when multiple parts need to be secured closely together. The single-twist method ensures that the wire is tightly wrapped around the parts, preventing any loosening or movement that could compromise the security of the connection.

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68. What component on a helicopter produces a sideways thrust to counteract torque?

Explanation

The tail rotor on a helicopter produces a sideways thrust to counteract torque. Torque is generated by the main rotor as it spins, causing the helicopter body to want to rotate in the opposite direction. The tail rotor, located at the end of the tail boom, generates a sideways thrust that counteracts this torque and helps to maintain the helicopter's stability and control.

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69. What type of pressure enters the A/S diaphragm of the A/S indicator?

Explanation

The correct answer is Pitot. The Pitot pressure enters the A/S (airspeed) diaphragm of the A/S indicator. The Pitot pressure is measured by the Pitot tube, which is positioned in the airflow outside the aircraft. This pressure represents the dynamic pressure caused by the motion of the aircraft through the air. The A/S indicator uses this pressure to display the airspeed of the aircraft.

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70. What disadvantage do nearly all peripheral devices suffer from?

Explanation

Peripheral devices, such as printers, scanners, and external hard drives, often suffer from slowness of response. This means that they may take longer to respond to commands or perform tasks compared to the computer's main components. This can be attributed to various factors, including limited processing power, slower connection speeds, and the need to communicate with the computer through interfaces like USB or Bluetooth. Slowness of response can impact productivity and user experience, especially when dealing with large files or complex tasks.

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71. On the KC–135, the output of the angular accelerometer in the flight control set processor is used for damping what oscillations?

Explanation

The correct answer is Dutch roll. Dutch roll is an oscillatory motion that can occur in aircraft, characterized by a combination of yawing and rolling movements. The output of the angular accelerometer in the flight control set processor is used to dampen these oscillations and stabilize the aircraft during flight.

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72. In response to rudder trim commands, the rudder trim actuator of the C–17A electronic flight control system moves the rudder, as well as the

Explanation

The rudder trim actuator of the C-17A electronic flight control system moves the rudder pedals in response to rudder trim commands. This means that when the pilot adjusts the rudder trim, the actuator will move the position of the rudder pedals, which in turn adjusts the position of the rudder. This allows for precise control and adjustment of the aircraft's yawing motion.

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73. If a sergeant takes possession of a box that has fallen off of a supply truck, which type of property responsibility does the sergeant assume?

Explanation

When a sergeant takes possession of a box that has fallen off of a supply truck, they assume custodial property responsibility. This means that they are responsible for the care, control, and safekeeping of the box and its contents. The sergeant is expected to properly handle and protect the property until it can be returned to the rightful owner or properly disposed of. Custodial responsibility is a crucial aspect of maintaining accountability and ensuring the proper management of property within the military or any organization.

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74. What types of gyros are used in the attitude heading reference system?

Explanation

The attitude heading reference system (AHRS) uses one vertical gyro and one directional gyro. The vertical gyro, also known as the pitch and roll gyro, measures the aircraft's pitch and roll angles. The directional gyro, also known as the heading gyro, measures the aircraft's heading or direction of travel. These two gyros work together to provide accurate and reliable information about the aircraft's attitude and heading, which is crucial for navigation and flight control.

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75. If you find a malfunction during an operational check, how do you document this malfunction on the AFTO Form 781A?

Explanation

When conducting an operational check and encountering a malfunction, it should be documented on the AFTO Form 781A by signing off as OPS CK BAD and entering the details of the new malfunction. This ensures that the issue is properly recorded and can be addressed accordingly. By indicating the operational check as bad, it signifies that the malfunction was identified and needs to be resolved before the equipment can be considered operational.

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76. What is of the utmost importance in the soldering process?

Explanation

In the soldering process, cleanliness is of the utmost importance. This is because any dirt, debris, or oxidation on the surface of the materials being soldered can prevent proper adhesion and create weak connections. Cleanliness ensures that the solder adheres well and forms a strong bond between the components. It also helps to prevent any potential damage or malfunctioning of the soldered joint. Therefore, maintaining a clean work area, using clean tools, and properly cleaning the surfaces to be soldered are crucial for achieving successful soldering connections.

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77. The most widely used hammer by aircraft mechanics is the

Explanation

The ball-peen hammer is the most widely used hammer by aircraft mechanics because it has a flat face on one end and a rounded, ball-shaped peen on the other end. This allows mechanics to perform a variety of tasks such as shaping metal, driving rivets, and striking punches without causing damage to delicate surfaces. The peen end is particularly useful for shaping and rounding metal surfaces. Its versatility and ability to provide controlled strikes make it an essential tool for aircraft maintenance and repair.

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78. What tool measures the specific degree of tightness of nuts or bolts?

Explanation

A torque wrench is a tool specifically designed to measure and apply a specific amount of torque or rotational force to tighten nuts or bolts. It allows for precise tightening, ensuring that the fasteners are tightened to the correct degree of tightness. This is important in various industries such as automotive, construction, and engineering, where the proper torque is crucial for safety and performance. The other options, stress kit, bolt meter, and tensiometer, do not accurately describe a tool used for measuring the tightness of nuts or bolts.

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79. Who manages the wing's maintenance quality improvement program?

Explanation

The maintenance group commander is responsible for managing the wing's maintenance quality improvement program. This role involves overseeing the maintenance operations within the group and ensuring that the program is implemented effectively to improve the quality of maintenance activities. The commander is responsible for setting goals, implementing strategies, and monitoring progress to ensure that maintenance standards are met and continuous improvement is achieved.

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80. When is the thruflight inspection performed?

Explanation

The correct answer is "Prior to takeoffs at intermediate stops." Thruflight inspection is performed before the aircraft takes off at intermediate stops. This inspection ensures that the aircraft is in proper working condition and ready for the next leg of the journey. It involves checking various systems, components, and overall condition of the aircraft to identify any issues or potential problems that may have occurred during the previous flight. This helps ensure the safety and reliability of the aircraft during the next takeoff and flight.

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81. What does an optical data bus use as the controlling protocol for high-speed message transfer?

Explanation

MIL-STD-1553B is the correct answer because it is a widely used controlling protocol for high-speed message transfer in optical data buses. This protocol defines the electrical and functional characteristics of a serial data bus, allowing for efficient and reliable communication between different devices in a system. It is commonly used in aerospace and military applications, providing a standardized and robust method for transferring data.

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82. Which five-character maintenance data collection data element is used to identify the system or subsystem that requires maintenance?

Explanation

The work unit code is a five-character maintenance data collection data element that is used to identify the system or subsystem that requires maintenance. It provides a unique identifier for the specific unit or component that needs to be worked on, allowing for efficient tracking and organization of maintenance tasks. The other options, such as job control number, identification number, and standard reporting designator code, may be used for other purposes in maintenance data collection, but they do not specifically serve the function of identifying the system or subsystem in need of maintenance.

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83. On the C–5, simultaneous operation of the rudder trim control switches is required to provide

Explanation

Simultaneous operation of the rudder trim control switches is required to provide power and ground to the trim actuator. This means that both switches need to be activated in order to supply the necessary electrical power and grounding to the trim actuator. This ensures that the trim actuator can function properly and adjust the rudder trim as needed.

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84. Which is not a function of the G081 Automated Maintenance Information System?

Explanation

The G081 Automated Maintenance Information System is designed to assist in various maintenance-related tasks such as mission scheduling, maintenance scheduling, and personnel training management. However, it does not include a function for personnel leave scheduling. This means that the system does not provide features or tools specifically for managing and scheduling personnel leave.

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85. At what altitudes is the ground proximity warning system active?

Explanation

The ground proximity warning system is active at altitudes ranging from 50 to 2,450 feet. This system is designed to alert pilots when they are in danger of colliding with the ground, providing them with crucial information to avoid accidents. By operating within this altitude range, the system can effectively monitor the aircraft's proximity to the ground and issue timely warnings if necessary.

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86. Which INS control display unit light illuminates approximately two minutes before reaching a waypoint during flight?

Explanation

The correct answer is ALERT. During flight, the INS control display unit light illuminates approximately two minutes before reaching a waypoint to alert the pilot. This is a visual indication for the pilot to prepare for the upcoming navigation change or action that needs to be taken at the waypoint. The ALERT light serves as a reminder to the pilot to be ready for any necessary adjustments or maneuvers.

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87. The point at which all three axes of an aircraft meet is the center of

Explanation

The point at which all three axes of an aircraft meet is the center of gravity. The center of gravity is the point where the total weight of the aircraft is considered to be concentrated. It is an important concept in aviation as it affects the stability and maneuverability of the aircraft. By understanding and controlling the center of gravity, pilots and engineers can ensure that the aircraft is properly balanced and able to fly safely.

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88. In the number 305.8410, the numeral 4 represents the

Explanation

The numeral 4 in the number 305.8410 represents the least significant digit. In a number, the least significant digit is the digit that has the smallest value and is located at the rightmost position. In this case, the digit 4 is the rightmost digit and has the smallest value compared to the other digits in the number.

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89. Which RGA interface logic unit test switch must be activated to allow go-around mode testing on the ground?

Explanation

The WOW TEST switch must be activated to allow go-around mode testing on the ground. The WOW (Weight On Wheels) system detects whether the aircraft is on the ground or in the air. By activating the WOW TEST switch, the system can be tested to ensure it is functioning properly. This is important for go-around mode testing, as it allows the aircraft to safely abort a landing and initiate a go-around procedure if necessary.

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90. Acceptance inspections are performed when

Explanation

Acceptance inspections are performed when newly assigned equipment arrives. This means that when new equipment is received, it undergoes an acceptance inspection to ensure that it meets the required standards and specifications. This inspection is necessary to verify the condition and functionality of the equipment before it is put into use. The other options mentioned in the question (equipment being transferred, directed by major command or local policy, and stated in the applicable technical order) may also require inspections, but they are not specifically related to the arrival of newly assigned equipment.

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91. Who ensures the job control number (when assigned) is entered on the AFTO Form 781A?

Explanation

The crew chief ensures that the job control number (when assigned) is entered on the AFTO Form 781A. This is because the crew chief is responsible for the overall maintenance and repair of the aircraft, and the job control number is used to track and document the specific maintenance tasks performed. Therefore, it is the crew chief's responsibility to ensure that this number is properly recorded on the form.

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92. N1 and N2 RPM tapes indicate a percentage of RPM from 0 to

Explanation

The N1 and N2 RPM tapes indicate a percentage of RPM, with the maximum value being 110%. This means that the engine is running at 110% of its maximum rotational speed.

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93. What does a red dash on inspection forms indicate?

Explanation

A red dash on inspection forms indicates that a scheduled inspection is overdue and has not been completed. This means that the required inspection has not been carried out within the specified time frame, which could potentially lead to safety issues or operational problems. The red dash serves as a visual reminder to address the overdue inspection promptly.

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94. Which integrated flight management system subsystem may be used to detect airborne targets?

Explanation

The color weather radar system is used to detect airborne targets. This system provides information about the weather conditions and can also detect other aircraft in the vicinity. It uses radar technology to scan the surrounding airspace and display the targets on a color-coded screen. This allows the pilot to be aware of any potential traffic conflicts and take appropriate actions to avoid them. The other options mentioned, such as the automatic flight display system, global positioning system, and inertial navigation system, are not specifically designed for detecting airborne targets.

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95. The three attitude heading reference system heading modes of operation are slave,

Explanation

The correct answer is DG, and compass. The attitude heading reference system (AHRS) has three heading modes of operation which are DG (Directional Gyro), and compass. DG mode uses a gyroscope to measure the aircraft's heading, while the compass mode relies on a magnetic compass for heading information. These two modes provide different ways of determining the aircraft's heading and can be used depending on the specific requirements of the flight.

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96. The HT–900B heating tool operates on

Explanation

The correct answer is compressed air or nitrogen. This means that the HT-900B heating tool can operate using either compressed air or nitrogen as its power source. Both compressed air and nitrogen can provide the necessary pressure and flow to operate the tool effectively. This versatility allows the tool to be used in various applications and environments, depending on the availability of these gases.

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97. Heat and air pressure required for proper installation of heat-shrink products is controlled by the

Explanation

The correct answer is "tool operator". The tool operator is responsible for controlling the heat and air pressure required for the proper installation of heat-shrink products. They have the knowledge and expertise to adjust the settings of the tools used for heat-shrinking, ensuring that the heat and air pressure are at the appropriate levels to achieve a successful installation.

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98. Which caution/advisory warning lights indicate actuation and normal operation of aircraft equipment?

Explanation

Green caution/advisory warning lights indicate actuation and normal operation of aircraft equipment. These lights are used to provide information to the pilot about the status of various systems and equipment on the aircraft. When these lights are illuminated, it indicates that the corresponding system or equipment is functioning properly. Green lights are typically used for systems such as landing gear, flaps, and other important equipment that need to be monitored during flight.

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99. Which flight control is used to maneuver the helicopter left or right, and forward or aft, while hovering?

Explanation

The cyclic control is used to maneuver the helicopter left or right, and forward or aft, while hovering. The cyclic control is a stick located between the pilot's legs and it allows the pilot to tilt the rotor disc in the desired direction, causing the helicopter to move accordingly. By manipulating the cyclic control, the pilot can control the helicopter's lateral and longitudinal movements while hovering. The other options, such as the yoke, collective, and foot pedals, are used for different purposes in helicopter control.

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100. After the receiving RT on a Military Standard 1553B data bus has received and validated the data words from the transmitting RT during an RT-to-RT transfer, it

Explanation

After the receiving RT on a Military Standard 1553B data bus has received and validated the data words from the transmitting RT during an RT-to-RT transfer, it responds with a status word indicating a successful transfer. This means that the receiving RT acknowledges the receipt of the message and confirms that the transfer was successful. The status word serves as a confirmation and feedback mechanism for the transmitting RT, indicating that the data was successfully received and processed by the receiving RT.

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101. Neutralizing or weakening the permanent magnetic field that exists around an aircraft is called

Explanation

Degaussing is the process of neutralizing or weakening a permanent magnetic field. This is often done to aircraft to prevent interference with navigational instruments and sensitive electronic equipment. It involves using specialized equipment to generate a reverse magnetic field that cancels out the existing magnetic field. This ensures that the aircraft operates accurately and safely without any magnetic interference.

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102. Which INS unit serves as the communication link between the pilot and the INU digital computer?

Explanation

The control display unit serves as the communication link between the pilot and the INU digital computer. It allows the pilot to input commands and receive information from the INU, facilitating communication and control between the pilot and the aircraft's navigation system.

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103. What system provides aircraft cabin pressurization?

Explanation

Air conditioning is the system that provides aircraft cabin pressurization. This system is responsible for regulating the temperature, humidity, and air quality inside the cabin. It also maintains the cabin pressure at a comfortable and safe level, especially during high-altitude flights. By controlling the air circulation and pressure, the air conditioning system ensures that passengers and crew members can breathe easily and comfortably throughout the flight.

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104. The quality assurance program

Explanation

The quality assurance program is responsible for determining the condition of aircraft and equipment, as well as assessing the proficiency of personnel. This involves conducting inspections, audits, and evaluations to ensure that all aspects of the aircraft, equipment, and personnel meet the required standards. By doing so, the program helps to identify any issues or deficiencies that may affect the safety and effectiveness of operations, allowing for necessary corrective actions to be taken. Additionally, the program plays a crucial role in maintaining and improving overall operational efficiency and readiness.

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105. Which is not a one of the general types of radio installed on aircraft?

Explanation

The question asks for a type of radio that is not installed on aircraft. The general types of radio installed on aircraft include high-frequency, very-high frequency, and ultra-high frequency radios. However, low frequency radios are not typically installed on aircraft.

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106. On the C–5 horizontal stabilizer pitch trim system, hydraulic motor torque is transferred to the nut and screw drives through a

Explanation

The correct answer is gear train. In the C-5 horizontal stabilizer pitch trim system, the hydraulic motor torque is transferred to the nut and screw drives through a gear train. The gear train helps to transmit and adjust the torque efficiently, allowing for precise control of the pitch trim system. This ensures that the horizontal stabilizer is properly positioned to maintain the desired aircraft attitude and stability during flight.

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107. On the KC–135, which built-in test is designed to detect a fault and shut down the flight control set before a hardover occurs?

Explanation

The correct answer is Continuous. On the KC-135, the continuous built-in test is designed to detect a fault and shut down the flight control set before a hardover occurs. This test is performed during the entire duration of the flight to ensure the safety and proper functioning of the flight control system. It continuously monitors the system for any faults or abnormalities, allowing for immediate action to be taken to prevent any potential hardovers or malfunctions.

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108. What happens to the power value when the exponent in the binary numbering system is increased by 1?

Explanation

When the exponent in the binary numbering system is increased by 1, the power value doubles. This is because in the binary system, each digit represents a power of 2. So, when the exponent is increased by 1, the value of the digit is multiplied by 2. Therefore, the power value doubles.

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109. All three augmentation systems on the C–5 are

Explanation

The correct answer is "fail-operational and fail-safe." This means that all three augmentation systems on the C-5 aircraft are designed to continue operating even in the event of a single channel failure, ensuring that the aircraft remains operational. Additionally, these systems are also fail-safe, meaning they are designed to automatically switch to a safe mode or shut down in the event of a failure, ensuring the safety of the aircraft and its occupants.

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110. The major difference between the octal, decimal, and binary numbering systems is the

Explanation

The major difference between the octal, decimal, and binary numbering systems is the base. Each numbering system has a different base, which determines the number of digits used and how they are interpreted. Octal has a base of 8, decimal has a base of 10, and binary has a base of 2. This means that octal uses 8 digits (0-7), decimal uses 10 digits (0-9), and binary uses 2 digits (0-1). The base also affects the place value system and how numbers are represented in each system.

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111. For electrical soldering, always use

Explanation

Rosin core solder is the correct answer for electrical soldering because it contains a flux core made of rosin, a natural resin. The flux helps to remove oxidation and contaminants from the soldering surfaces, ensuring a strong and reliable electrical connection. Acid core solder, on the other hand, is typically used for plumbing applications and can cause damage to electrical components. Hard solder requires higher temperatures and is used for more heavy-duty applications, while soft solder has a lower melting point and is suitable for delicate electronic work.

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112. The amount of current produced when the hot junction in the vertical scale exhaust gas temperature indicating system is heated is dependent on the difference in temperature between the

Explanation

The amount of current produced in the vertical scale exhaust gas temperature indicating system is dependent on the difference in temperature between the hot and cold junctions. This is because the system works based on the principle of thermocouples, which generate a voltage proportional to the temperature difference between two junctions. As the hot junction is heated, the temperature difference between the hot and cold junctions increases, resulting in a greater current being produced. Therefore, the correct answer is hot and cold junctions.

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113. The global positioning system is a worldwide radio-navigation system with ground stations and a receiver, and is formed from a constellation of how many satellites?

Explanation

The global positioning system (GPS) is a radio-navigation system that relies on a network of satellites to provide accurate positioning and timing information worldwide. The system is formed from a constellation of 24 satellites that orbit the Earth at a specific altitude and inclination. These satellites work together with ground stations and a receiver to calculate precise location data for users on the ground.

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114. Which technical order (TO) should you use to locate all the TOs pertaining to a certain type of equipment?

Explanation

The List of Applicable Publications is the correct answer because it provides a comprehensive list of all the technical orders (TOs) that are relevant to a specific type of equipment. This list makes it easier to locate and access the TOs needed for a particular equipment, ensuring that all relevant information is readily available. Alphabetical indexes, cross-reference tables, and cross-utilization index may provide some information, but they may not cover all the TOs or may not be as specific as the List of Applicable Publications.

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115. Which is not a C–5 lateral augmentation system interface?

Explanation

The given options are all related to C-5 lateral augmentation system interface, except for the very-high frequency control panel. This suggests that the very-high frequency control panel is not a part of the C-5 lateral augmentation system interface.

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116. Which maintenance data collection data element is published in manuals for each weapon and support system?

Explanation

The work unit code is the maintenance data collection data element that is published in manuals for each weapon and support system. This code helps in identifying the specific work unit that is responsible for performing maintenance tasks on the weapon or support system. It allows for easy reference and coordination between different units involved in the maintenance process. The work unit code is an essential component of the maintenance data collection system, providing standardized information for effective maintenance management.

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117. What form is used for maintenance data collection when the Integrated Maintenance Data System is not available?

Explanation

AFTO Form 349 is used for maintenance data collection when the Integrated Maintenance Data System (IMDS) is not available. This form is specifically designed for recording maintenance information and is used by the United States Air Force (USAF) to document maintenance actions, inspections, and repairs. It allows technicians to track and record important details about the maintenance performed on aircraft and equipment.

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118. Which control panel on the H–60 altitude hold/hover stabilization (AHHS) system contains an altitude select knob?

Explanation

The correct answer is the AHHS system control unit. This control panel on the H-60 altitude hold/hover stabilization (AHHS) system contains an altitude select knob. This panel is responsible for controlling and adjusting the altitude of the aircraft during hover or flight. It allows the pilot to select and maintain a specific altitude by adjusting the knob accordingly.

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119. Near the equator, the lines of magnetic force are

Explanation

Near the equator, the lines of magnetic force are parallel to the Earth's surface. This is because the Earth's magnetic field is roughly aligned with its axis of rotation. As a result, the magnetic field lines run parallel to the Earth's surface at the equator, creating a horizontal magnetic field. This is in contrast to the magnetic field lines near the poles, where they are perpendicular to the Earth's surface.

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120. One of the most common lock wiring mistakes a new avionics technician makes is

Explanation

One of the most common lock wiring mistakes a new avionics technician makes is safety wiring something backward. This means that they incorrectly secure the wires or components in a way that does not effectively prevent them from coming loose or becoming disconnected. This mistake can compromise the safety and reliability of the aircraft's electrical system. It is important for avionics technicians to carefully follow proper safety wiring procedures to ensure the integrity of the aircraft's electrical connections.

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121. Which is a basic principle of supply discipline?

Explanation

The basic principle of supply discipline is to effectively safeguard and preserve property. This means that supplies should be protected and maintained properly to prevent loss, damage, or theft. By ensuring that property is well taken care of, organizations can maintain inventory accuracy, reduce waste, and ensure that supplies are available when needed. This principle emphasizes the importance of responsible handling and storage of supplies to maintain their value and usefulness.

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122. When approaching overheated aircraft wheels, always approach the wheel

Explanation

When approaching overheated aircraft wheels, it is recommended to approach from the front of or behind the wheel. This is because approaching from the side of the wheel or at a 45° angle to the wheel can put the person at risk of being struck by the wheel if it suddenly moves or if there is a blowout. Approaching from the front or behind allows for a safer distance and reduces the chance of injury.

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123. If the C–130 aircraft is not wings-level during operation of the E–4 automatic flight control system, the aircraft can be returned to wings-level by using the

Explanation

The correct answer is the AIL trim knob. The AIL trim knob is used to adjust the aileron trim, which helps to maintain wings-level flight. If the C-130 aircraft is not wings-level during operation of the E-4 automatic flight control system, adjusting the aileron trim using the AIL trim knob can help return the aircraft to a wings-level position.

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124. When the autopilot (A/P) of the electronic flight control system on a C–17A aircraft is engaged after the flight director (F/D) is already engaged, the A/P

Explanation

When the autopilot (A/P) of the electronic flight control system on a C-17A aircraft is engaged after the flight director (F/D) is already engaged, the A/P engages into the same mode as the F/D. This means that the autopilot will follow the commands and guidance provided by the flight director, ensuring that the aircraft continues to fly along the desired flight path and maintain the selected mode of operation. By engaging into the same mode as the F/D, the autopilot and flight director work together seamlessly to assist the pilot in controlling the aircraft.

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125. The entry in the CAT LAB (category labor) block on the AFTO Form 349 indicates the

Explanation

The entry in the CAT LAB block on the AFTO Form 349 indicates the type of man-hour expenditure. This means that the block is used to record the amount of time and effort spent on a particular task or job. It helps to track and analyze the labor costs associated with the maintenance and repair work being performed. The CAT LAB block does not provide information about the type of equipment being repaired, the number of technicians involved, or the rank and employee number of the technician.

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126. Each total air temperature probe contains

Explanation

The correct answer is two variable resistance-type sensing elements. This means that each total air temperature probe contains two sensing elements that change their resistance based on the temperature of the air. These resistance changes can then be measured and used to determine the total air temperature. This type of sensing element is commonly used in temperature measurement devices due to its accuracy and reliability.

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127. The data loader system is comprised of a

Explanation

The correct answer is "data card and data receptacle". This is because a data loader system typically consists of a data card, which is used to store and transfer data, and a data receptacle, which is the interface that allows the data card to be connected to the system. The data cable and data recorder options are incorrect as they do not accurately represent the components of a data loader system.

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128. On the KC–135, the flight control set processor roll command module provides outputs to roll the aircraft in response to inputs from the

Explanation

The flight control set processor roll command module on the KC-135 provides outputs to roll the aircraft in response to inputs from the turn knob. This means that when the turn knob is manipulated, it sends signals to the roll command module which then adjusts the aircraft's roll accordingly. The other options, such as the pitch wheel, air control unit sensor, and angular accelerometer, are not mentioned as providing inputs for roll control in this context.

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129. Static pressure is

Explanation

Static pressure is the force exerted by a fluid on a surface due to its weight. As altitude increases, the density of the fluid (in this case, the air) decreases, resulting in lower static pressure. Therefore, at higher altitudes, the static pressure is less. Conversely, at lower altitudes, where the air density is higher, the static pressure is greater.

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130. Which is not an advantage of an active on-board collision system?

Explanation

An active on-board collision system has several advantages, such as working anywhere in the world and creating images of the local traffic for display on the multifunction displays. However, it does not rely on local radar to generate transponder replies. This means that the system does not depend on external radar systems to receive responses from other aircraft's transponders. Instead, it has its own on-board system that queries local transponders for replies, making it more independent and reliable.

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131. On the KC–135, cross-channel monitoring in the flight control set processor of the flight control set (FCS) prevents a single processor failure from causing

Explanation

Cross-channel monitoring in the flight control set processor of the flight control set (FCS) on the KC-135 prevents a single processor failure from causing an axis hardover. This means that if one processor fails, the system is designed to detect the failure and prevent it from causing a sudden and uncontrollable movement of one of the aircraft's control axes. This is important for maintaining the stability and control of the aircraft during flight.

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132. Which Mach-A/S indicator displays are manually inserted?

Explanation

The Mach-A/S indicators that are manually inserted are the Command Mach and Command IAS. These indicators require manual input from the pilot to set the desired Mach number and indicated airspeed. By manually inserting these values, the pilot can command the aircraft to maintain a specific Mach number or airspeed, allowing for precise control during flight.

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133. Which inspection is a thorough and searching "look, see, and fix" of the aircraft?

Explanation

A major inspection is a thorough and searching "look, see, and fix" of the aircraft. This type of inspection involves a comprehensive examination of all major components and systems of the aircraft to ensure their proper functioning and to address any issues or repairs that may be needed. It is typically conducted at regular intervals or after a certain number of flight hours to maintain the aircraft's airworthiness and safety.

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134. Property accountability is the obligation

Explanation

The correct answer is "to keep accurate, auditable records of property." Property accountability refers to the responsibility of maintaining accurate and auditable records of property. This includes keeping track of the location, condition, and usage of equipment or assets. It ensures that there is a clear record of who is responsible for the property and helps in preventing loss, theft, or misuse. This accountability is crucial for organizations to effectively manage and track their assets.

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135. Which block of the AFTO Form 349 is checked to indicate actions that affect the historical records of an end-item?

Explanation

The block of the AFTO Form 349 that is checked to indicate actions that affect the historical records of an end-item is the "RECORDS ACTION" block. This block is specifically used to document any maintenance or repair actions that may impact the historical records of the end-item. By checking this block, it ensures that any changes made to the end-item's historical records are properly recorded and documented for future reference.

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136. To directly convert binary-to-hexadecimal, divide the binary number into groups of

Explanation

To directly convert binary to hexadecimal, the binary number needs to be divided into groups of 4 digits. Each group of 4 binary digits can be converted into a single hexadecimal digit. This is because each hexadecimal digit represents 16 possible values (0-9 and A-F), which can be represented using 4 binary digits. Therefore, dividing the binary number into groups of 4 digits allows for a direct conversion to hexadecimal.

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137. The INS mode selector unit BAT light illuminates if the battery unit

Explanation

The correct answer is that the BAT light illuminates if the battery unit is not charged enough to sustain INS operation. This means that if the battery is not sufficiently charged, the INS (Inertial Navigation System) will not have enough power to operate properly. The BAT light serves as a warning indicator to alert the pilot or operator that the battery needs to be charged or replaced in order to ensure the continuous functioning of the INS.

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138. How often are Integrated Maintenance Data System reports produced and sent to higher headquarters?

Explanation

Integrated Maintenance Data System reports are produced and sent to higher headquarters at scheduled intervals. This means that there is a predetermined frequency or timeline for generating and sending these reports. The specific intervals may vary depending on the organization or system in question, but the key point is that the reports are not generated randomly or sporadically. Instead, there is a planned schedule for their production and submission to higher headquarters.

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139. On the KC–135, a change on the pressure input of the air control unit sensor pressure data converter is represented on the output as a change in

Explanation

A change in the pressure input of the air control unit sensor pressure data converter on the KC-135 is represented on the output as a change in frequency. This means that when there is a change in pressure input, the output signal will have a corresponding change in frequency.

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140. How is the Integrated Maintenance Data System considered to be "user friendly?"

Explanation

The Integrated Maintenance Data System is considered to be "user friendly" because it checks keyboard entries for compatibility. This means that the system ensures that the input entered through the keyboard is compatible with the system's requirements, preventing any potential errors or issues that may arise from incompatible input. This feature enhances the user experience by providing a smooth and efficient interaction with the system.

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141. How many global position system satellites are needed to establish our lateral and longitudinal coordinates?

Explanation

To establish our lateral and longitudinal coordinates using the global position system, we need a minimum of three satellites. This is because each satellite provides a signal that contains information about its location and the time the signal was transmitted. By receiving signals from at least three satellites, our GPS receiver can calculate the time it took for each signal to reach us and use that information to determine our precise location on the Earth's surface.

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142. Which letters are contained in the numerical designator of a checklist technical order?

Explanation

The correct answer is CL. In a numerical designator of a checklist technical order, the letters CL are contained.

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143. Which error(s) must be corrected to make an A/S indicator display true A/S?

Explanation

To make an A/S (Airspeed) indicator display true A/S, the errors that need to be corrected are altitude and temperature. Altitude affects air density, which in turn affects the airspeed reading on the indicator. As altitude increases, the air density decreases, causing the airspeed reading to be lower than the true airspeed. Similarly, temperature affects air density as well. As temperature increases, the air density decreases, resulting in a lower airspeed reading. Therefore, correcting the errors in altitude and temperature would ensure that the A/S indicator displays the true airspeed.

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144. The flap position indicator on the C–5 is a dial-type instrument that shows flap position in

Explanation

The flap position indicator on the C-5 is a dial-type instrument that shows the flap position in percentage from 0 to 100. This means that the indicator will display the position of the flaps as a percentage of their maximum extension. For example, if the indicator shows 50%, it means that the flaps are halfway extended. This measurement system allows for a more precise and standardized indication of the flap position, making it easier for the pilot to adjust and control the flaps during flight.

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145. The sensing elements in the true A/S indicator are surrounded by

Explanation

The correct answer is static pressure. In an A/S (airspeed) indicator, the sensing elements are surrounded by static pressure. Static pressure is the atmospheric pressure exerted on the aircraft when it is not in motion. It is used to measure the aircraft's airspeed. Pitot pressure, on the other hand, is the pressure exerted by the forward motion of the aircraft and is used in combination with static pressure to calculate airspeed. Engine pressure and methyl chloride gas are not relevant to the functioning of an A/S indicator.

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146. With an input frequency of 400 Hz, what is the frequency of the magnetic azimuth detector output?

Explanation

The frequency of the magnetic azimuth detector output is 800 Hz. This means that the detector is able to accurately measure and detect changes in the magnetic azimuth at a frequency of 800 times per second. This high frequency allows for precise and real-time tracking of the magnetic azimuth, making it suitable for applications that require fast and accurate measurements.

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147. Besides publishing bulletins, and base or headquarters official bulletins, other types of bulletins

Explanation

The correct answer is "are not authorized at any time." This means that other types of bulletins, besides publishing bulletins and base or headquarters official bulletins, cannot be issued at any time. This implies that there are restrictions or limitations on issuing these bulletins, and they cannot be released on a weekly or monthly basis.

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148. The most correct statement concerning the B–2 gust load alleviation surface alleviation is it

Explanation

The B-2 gust load alleviation surface is designed to reduce the wing loads caused by turbulence and other factors. This means that it helps to minimize the impact of turbulent air and other external forces on the wings of the aircraft, reducing the stress and strain they experience. By doing so, it improves the overall stability and safety of the aircraft during flight. This feature is particularly important for a stealth bomber like the B-2, as it allows for smoother and more controlled flight even in challenging weather conditions.

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149. Which comparator warning monitor subsystem indicator lights when a differential error of 3° pitch exists for more than two seconds between the two RGA computers?

Explanation

The RGA (Roll Guidance and Autopilot) comparator warning monitor subsystem indicator lights up when there is a differential error of 3° pitch between the two RGA computers for more than two seconds. This indicates that there is a significant difference in the pitch readings between the two RGA computers, which could potentially affect the autopilot and roll guidance systems. The warning light alerts the pilots to this error, allowing them to take appropriate action to rectify the issue.

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150. The DC fuel quantity indicating system does not need coaxial cables between the probes and indicator because the

Explanation

The DC fuel quantity indicating system does not need coaxial cables between the probes and indicator because the DC current sensor cannot sense stray capacitance. Stray capacitance refers to the unwanted capacitance that can occur between the conductive elements in a system. In this case, the DC current sensor is not affected by stray capacitance, so there is no need for coaxial cables to filter out or prevent interference caused by it.

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151. The tachometer generator most commonly used with vertical scale revolutions per minute indicating systems contains a

Explanation

The tachometer generator used with vertical scale revolutions per minute indicating systems typically consists of a 2-pole permanent magnet rotor and a 3-phase stator. This configuration allows for accurate measurement and indication of revolutions per minute. The 2-pole rotor generates a magnetic field, while the 3-phase stator produces a rotating magnetic field. The interaction between the two components produces an output voltage that is proportional to the rotational speed of the system, which can then be used to indicate the RPM on the vertical scale.

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152. The ATT switch position on the INS mode selector unit is used to select

Explanation

The ATT switch position on the INS mode selector unit is used to select only attitude signals. This means that when the switch is in this position, the INS system will only provide information related to the aircraft's attitude, such as pitch, roll, and yaw. It will not provide any information related to heading or present position.

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153. In repairing damaged copper foil tape, what is the last wrap used on the repaired area?

Explanation

Silicone self-bonding tape is used as the last wrap on the repaired area of damaged copper foil tape. This type of tape is known for its ability to adhere to itself and form a tight, waterproof seal. It provides excellent insulation and protection against moisture, making it ideal for repairing copper foil tape. Monel shielding tape, copper shielding tape, and pressure-sensitive polyester tape are not specifically designed for repairing copper foil tape and may not provide the same level of protection and durability.

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154. During what aircraft maneuver is the static pressure inside the diaphragm of the vertical velocity indicator greater than on the outside?

Explanation

During a dive, the static pressure inside the diaphragm of the vertical velocity indicator is greater than on the outside. This is because as the aircraft dives, it moves faster and the air pressure increases, causing the static pressure inside the diaphragm to be higher. This change in pressure is detected by the instrument and displayed as a vertical velocity indication.

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155. The telescope on the magnetic field monitor is

Explanation

The correct answer is 22-power and rotates 360 degrees. This means that the telescope on the magnetic field monitor has a magnification power of 22 and is capable of rotating a full 360 degrees. This allows for a wider field of view and the ability to observe the magnetic field from different angles.

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156. The inertial navigation system operates as a self-contained system, but can be updated by

Explanation

The inertial navigation system is a self-contained system that provides accurate navigation information. However, it can be updated by TACAN (Tactical Air Navigation) and SKE (Selective Availability Anti-Spoofing Module) systems, which provide additional navigation data to enhance the accuracy of the inertial system. Additionally, manual updates can also be made to the inertial navigation system when necessary.

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157. What type of ground should be provided for soldering irons in an electrostatic discharge protected area?

Explanation

In an electrostatic discharge protected area, a hard ground should be provided for soldering irons. This type of ground is necessary to prevent the buildup of static electricity and to ensure that any potential discharge is safely conducted to the ground. A hard ground is a direct connection to the earth, providing a low resistance path for the static electricity to dissipate. This helps to protect sensitive electronic components from damage that can be caused by electrostatic discharge.

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158. The total production effort and management of group maintenance functions are the responsibility of the

Explanation

The group commander is responsible for the total production effort and management of group maintenance functions. This means that they oversee and coordinate all maintenance activities within the group, ensuring that they are carried out efficiently and effectively. The group commander is responsible for setting priorities, allocating resources, and ensuring that maintenance tasks are completed on time and to the required standards. They also play a key role in coordinating with other units and organizations to support the overall mission of the group.

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159. On the KC–135 flight control set, the GLIDE SLOPE ARM annunciator remains illuminated until

Explanation

The correct answer is that the GLIDE SLOPE beam is captured. This means that the aircraft has intercepted and is flying along the glide slope, which is the path that aircraft follow to descend and land on a runway. The GLIDE SLOPE ARM annunciator remains illuminated until the beam is captured, indicating that the aircraft is not yet on the correct glide path. Once the beam is captured, the annunciator goes out, indicating that the aircraft is now on the correct glide slope.

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160. How many different test patterns are used when the CITS computer display panel's DIS TEST switch is used?

Explanation

When the CITS computer display panel's DIS TEST switch is used, there are four different test patterns that are used.

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161. What is a responsibility of the maintenance operations center?

Explanation

The responsibility of the maintenance operations center is to notify appropriate agencies of severe weather warnings. This is important as severe weather can affect maintenance operations and the safety of personnel. By informing the relevant agencies, they can take necessary precautions and make informed decisions to ensure the smooth running of maintenance operations and the well-being of everyone involved.

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162. What type of corrosion attacks the grain boundaries of a material?

Explanation

Intergranular corrosion is a type of corrosion that specifically attacks the grain boundaries of a material. This type of corrosion occurs when the grain boundaries are more susceptible to chemical attack than the grains themselves. It is often caused by the segregation of impurities or alloying elements along the grain boundaries, which leads to the formation of galvanic cells and subsequent corrosion. Intergranular corrosion can result in the weakening and failure of the material, making it an important consideration in material selection and design.

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163. What is the minimum safe distance from the intake of an operating jet engine?

Explanation

The minimum safe distance from the intake of an operating jet engine is 25 feet to the front and 5 feet to the sides. This distance is necessary to ensure that individuals are not in danger of being sucked into the engine or harmed by the high-speed exhaust gases. Being too close to the intake can pose a serious risk to personal safety, so it is important to maintain a safe distance.

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164. What positions the tape and moves the rotor of the control transformer in the engine pressure ration indicator?

Explanation

The geartrain is responsible for positioning the tape and moving the rotor of the control transformer in the engine pressure ratio indicator. It is a mechanical system that transfers the motion from one part to another, allowing the tape to be accurately positioned and the rotor to be moved according to the engine pressure ratio. The geartrain ensures the proper functioning of the indicator by translating the input motion into the desired output motion.

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165. The C–5 primary flight control system consists of the aileron, elevator, and

Explanation

The C-5 primary flight control system consists of the aileron, elevator, and rudder systems. These systems are responsible for controlling the aircraft's roll, pitch, and yaw movements respectively. The ailerons control the roll by moving the wings up or down, the elevator controls the pitch by moving the horizontal stabilizer up or down, and the rudder controls the yaw by moving the vertical stabilizer left or right. Together, these systems ensure proper control and stability of the aircraft during flight.

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166. Entries in the numerical index section of the illustrated parts breakdown are listed

Explanation

The entries in the numerical index section of the illustrated parts breakdown are listed alphanumerically. This means that they are arranged in a combination of alphabetical and numerical order. This allows for easier navigation and reference, as it groups similar items together based on their alphanumeric codes.

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167. Density error can be corrected by adjusting the

Explanation

The correct answer is the barometric scale on the front of the indicator. This is because the barometric scale on the front of the indicator is used to measure atmospheric pressure, which can affect the density of a substance. By adjusting the barometric scale on the front of the indicator, any error in density measurement can be corrected. Adjusting the barometric scale on the back of the indicator or the high-pressure scale on either side would not have any effect on correcting density error.

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168. The mechanical yaw control system on the B–1B is

Explanation

The mechanical yaw control system on the B-1B is mechanically controlled, meaning that it is operated manually by the pilot. Additionally, it is hydromechanically actuated, which means that it uses a combination of hydraulic and mechanical systems to move and control the yaw of the aircraft. This allows for precise and responsive control of the aircraft's yaw movements.

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169. The DC fuel quantity indicating system uses a compensation capacitor to correct for variations in

Explanation

The DC fuel quantity indicating system uses a compensation capacitor to correct for variations in fuel density. Fuel density refers to the mass of fuel per unit volume, and it can vary depending on factors such as temperature and type of fuel. The compensation capacitor helps to account for these variations and provide accurate readings of the fuel quantity in the aircraft.

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170. Which device on the sensor-driven N1 RPM indicator represents the maximum achieved RPM during an overspeed condition?

Explanation

The N1 maximum pointer on the sensor-driven N1 RPM indicator represents the maximum achieved RPM during an overspeed condition. This pointer specifically indicates the highest RPM reached by the engine during an overspeed event. The other options, such as the N1 pointer or the drum counter, do not specifically indicate the maximum RPM achieved during an overspeed condition.

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171. The four types of programs used in the G081 Automated Maintenance Information System are data input, data output,

Explanation

The correct answer is batch, and variable information retrieval program (VIRP). This answer is based on the given options where the four types of programs used in the G081 Automated Maintenance Information System are listed. Among the options, only "batch, and variable information retrieval program (VIRP)" matches the given list. Therefore, it can be concluded that this is the correct answer.

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172. What determines the direction the motor is driven to position the yaw trim bellcrank on the B–1B?

Explanation

The direction in which the motor is driven to position the yaw trim bellcrank on the B-1B is determined by which power control assembly relay is energized or deenergized. This means that the motor's movement is controlled by the activation or deactivation of specific relays in the power control assembly. The position of the travel limit switches, the engagement or disengagement of the brake, and the signal from the proximity switch assemblies do not directly determine the direction of the motor.

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173. Which inspection is designed to detect defects that might have developed during ground operation of the aircraft?

Explanation

The end-of-runway inspection is designed to detect any defects that may have occurred during ground operation of the aircraft. This inspection is conducted after the aircraft has completed its taxiing and is about to take off. It ensures that all systems and components are functioning properly and that there are no visible signs of damage or malfunction. By conducting this inspection at the end of the runway, any issues can be identified and addressed before the aircraft takes off, ensuring the safety of the flight.

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174. To prevent movement of the aircraft, the main landing gear wheels must be chocked

Explanation

To prevent movement of the aircraft, the main landing gear wheels must be chocked in front of and behind the wheel with a 2" clearance. This means that chocks should be placed both in front of and behind the wheels of the landing gear, and the clearance between the chock and the wheel should be 2 inches. This ensures that the aircraft is securely immobilized and will not roll or move while parked or during maintenance.

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175. The only moving part in the oil pressure indicator is the

Explanation

The correct answer is rotor. The question is asking for the only moving part in the oil pressure indicator. Out of the given options, the rotor is the only one that is a moving part. A rotor is a rotating component that is used to measure or indicate oil pressure in this context. The calibrated hairspring, Bourdon tube, and limit gear are not directly related to the movement in the oil pressure indicator.

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176. The result of converting the binary-coded decimal number 11110000101.0100011 to its decimal equivalent is

Explanation

The given binary-coded decimal number can be converted to its decimal equivalent by separating the integer and fractional parts. The integer part is obtained by converting the binary digits before the decimal point to decimal, which gives 785. The fractional part is obtained by converting the binary digits after the decimal point to decimal, which gives 0.46. Adding the integer and fractional parts together gives the decimal equivalent of 785.46.

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177. What type filter is used in the yaw augmentation system to block any rate gyro signals developed as a result of the normal bending of the C–5 aircraft body from occurring during flight?

Explanation

The correct answer is Body-bend. The yaw augmentation system uses a filter called body-bend to block any rate gyro signals that may occur due to the normal bending of the C-5 aircraft body during flight. This filter helps to ensure that the yaw augmentation system only receives accurate signals and prevents any interference or false readings caused by the bending of the aircraft body.

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178. Who manages the squadron's cannibalization program?

Explanation

The squadron maintenance officer/maintenance supervisor is responsible for managing the squadron's cannibalization program. This individual oversees the maintenance activities and ensures that the necessary parts are obtained from non-mission capable aircraft to support the repair and maintenance of other aircraft. They coordinate with the section chief, flight line expediter, and flight commander/chief to ensure that the cannibalization process is carried out effectively and efficiently.

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179. An AFTO Form 781L is used to

Explanation

The AFTO Form 781L is specifically designed to record the removal and installation of controlled cryptographic items. This form serves as a documentation tool for tracking the movement and changes made to these sensitive items, ensuring proper accountability and security measures are in place. By using this form, the organization can maintain a comprehensive record of all activities related to the controlled cryptographic items, facilitating efficient management and maintenance of these items.

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180. What percentage of minor shield damage can the flight line technician repair?

Explanation

The flight line technician can repair up to 25 percent of the outer shield circumference. This means that if there is any minor shield damage, the technician can fix it as long as it does not exceed 25 percent of the outer shield's circumference. This repair limit applies specifically to the outer shield, not the inner shield.

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181. What do global positioning system receivers have programmed into their computers telling the receiver continually where each satellite is located?

Explanation

Global positioning system (GPS) receivers have an almanac programmed into their computers, which continually tells the receiver where each satellite is located. The almanac contains information about the position and timing of all the GPS satellites in orbit. By using this information, the receiver can calculate its own location through a process called triangulation. The almanac is regularly updated to ensure accurate positioning.

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182. According to the principles applicable to the A/S indicator, as altitude increases, the maximum allowable A/S

Explanation

According to the principles applicable to the A/S indicator, as altitude increases, the maximum allowable A/S decreases. This means that as an aircraft climbs to higher altitudes, the maximum speed at which it can fly safely decreases. This is because the air density decreases with increasing altitude, resulting in less lift being generated by the wings. Therefore, the aircraft needs to fly at a lower speed to maintain the same level of lift and avoid stalling.

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183. What type of inspection is a flight preparedness check?

Explanation

A flight preparedness check is a type of inspection that is conducted before a flight to ensure that the aircraft is in proper condition for takeoff. This inspection is known as a preflight inspection. During this inspection, the pilot or maintenance personnel will thoroughly check the aircraft's systems, controls, and overall condition to ensure that everything is functioning correctly and there are no safety concerns. This is a crucial step in ensuring the safety and readiness of the aircraft before it takes off.

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184. The torquemeter assembly consists of a torquemeter housing assembly, torquemeter pickup assembly, and

Explanation

The torquemeter assembly consists of two concentric shaft assemblies. This means that there are two shafts that are aligned and positioned one inside the other. The torquemeter housing assembly, torquemeter pickup assembly, and a flange-shaped flux resistor are all connected to these two shaft assemblies. This configuration allows for accurate measurement of torque as the two shafts rotate in relation to each other.

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185. What are the HUD master control switch positions?

Explanation

The correct answer is OFF, NIGHT, AUTO, and DAY. These are the positions of the HUD (Head-Up Display) master control switch. The OFF position indicates that the HUD is turned off. The NIGHT position is used for low light conditions, where the brightness of the HUD is reduced. The AUTO position allows the HUD to automatically adjust its brightness based on ambient light conditions. The DAY position is used for normal daytime operations, with the HUD operating at full brightness.

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186. The C–5 yaw augmentation (Y/A) system provides yaw damping, turn coordination, Y/A manual rudder trim, and

Explanation

The C-5 yaw augmentation (Y/A) system provides various functions including yaw damping, turn coordination, manual rudder trim, and attitude hold. However, the specific function mentioned in the answer is dutch roll damping. Dutch roll is a yawing and rolling oscillation that can occur in aircraft, and the yaw augmentation system in the C-5 is designed to dampen or reduce this oscillation. Therefore, the correct answer is dutch roll damping.

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187. The hydraulic manifold on the C–5 yaw augmentation system is equipped with

Explanation

The correct answer is an solenoid-operated shutoff valve (SOV), hydraulic pressure switch (HPS), electrohydraulic valve (EHV), and linear variable differential transformer (LVDT). This is because the hydraulic manifold on the C-5 yaw augmentation system is equipped with these components, which are used for various functions. The SOV is responsible for controlling the flow of hydraulic fluid, the HPS monitors the hydraulic pressure, the EHV controls the flow of hydraulic fluid to the actuators, and the LVDT measures the position of the actuator.

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188. In the B–1B mechanical pitch control subsystem, normal mechanical control of the horizontal stabilizers is accomplished

Explanation

The B-1B mechanical pitch control subsystem allows for normal mechanical control of the horizontal stabilizers. This control is achieved symmetrically, meaning that both the pilot and co-pilot control sticks are used to control the stabilizers.

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189. Before the B–1B mechanical yaw limiter system can be placed in the limited mode, the

Explanation

not-available-via-ai

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190. The standard datum plane is a theoretical plane where the atmospheric pressure is

Explanation

The standard datum plane is a theoretical plane used as a reference point for atmospheric pressure measurements. It is defined with a pressure of 29.92" of mercury (Hg) and a temperature of +15°C. This combination of pressure and temperature is chosen as it represents average atmospheric conditions at sea level.

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191. What is not a flight line precaution used to protect electrostatic discharge sensitive components?

Explanation

Using protective tote boxes is not a flight line precaution used to protect electrostatic discharge sensitive components. Protective tote boxes are typically used to transport or store components safely, but they do not provide any specific protection against electrostatic discharge. Other precautions mentioned in the options, such as touching the LRU case with hands prior to removal, touching the ends of aircraft wiring to the LRU case, and covering LRU connector plugs, are all measures that can help prevent electrostatic discharge and protect sensitive components.

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192. Electromagnetic pulse cable was developed with how many outer protective layers?

Explanation

The electromagnetic pulse cable was developed with three outer protective layers. These layers are designed to shield the cable from any electromagnetic interference or damage, ensuring its proper functioning and longevity. The multiple layers provide added protection and insulation, reducing the risk of any potential disruptions or malfunctions caused by external factors.

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193. Twisting an optic fiber during installation or maintenance results in

Explanation

Twisting an optic fiber during installation or maintenance can lead to reduced optical power transmission. This is because twisting can cause the fiber to bend or deform, leading to increased signal loss and decreased efficiency in transmitting light signals through the fiber.

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194. Optoelectronic transducers perform what function in a fiber optic transmission?

Explanation

Optoelectronic transducers in a fiber optic transmission convert optical energy to electrical energy. This means that they receive the light signals transmitted through the fiber optic cable and convert them into electrical signals that can be further processed or amplified. This conversion is essential in order to extract and utilize the information carried by the light signals in electronic systems.

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195. The three operational modes as selected on the fuel center of gravity management system's panel are OPT CRUISE,

Explanation

The correct answer is NORM, and SET. The fuel center of gravity management system has three operational modes, which are NORM and SET. These modes allow the system to maintain normal fuel management and to set the center of gravity accordingly. The other options mentioned, OPT CRUISE, FUEL, and CG, and MAC, and EMP, are not the correct operational modes for the fuel center of gravity management system.

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196. Users of the G081 Automated Maintenance Information System know they are logged out when they see on the computer screen the word

Explanation

The correct answer is MOBILITY. This is because the question states that users of the G081 Automated Maintenance Information System know they are logged out when they see the word "MOBILITY" on the computer screen. Therefore, when users see this word, it indicates that they have been successfully logged out of the system.

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197. The maximum number of avionics units the Military Standard 1553B data bus is capable of transferring data between is

Explanation

The Military Standard 1553B data bus is capable of transferring data between a maximum of 32 avionics units. This means that the data bus can facilitate communication and exchange of information between up to 32 different avionics units in an aircraft or other military systems.

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198. When the electric trim switches for the C–5 horizontal stabilizer are actuated together, electrical continuity is provided by

Explanation

When the electric trim switches for the C-5 horizontal stabilizer are actuated together, electrical continuity is provided by power and ground. This means that both the power source and the ground connection are necessary for the electric trim switches to function properly. Power is required to supply the necessary electrical energy, while the ground connection completes the circuit and allows the current to flow. Without both power and ground, the electric trim switches would not be able to transmit the necessary signals for adjusting the horizontal stabilizer.

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199. What is displayed on the heading marker of the flight director system's horizontal situation indicator?

Explanation

The correct answer is "Manually selected heading." This means that the heading displayed on the heading marker of the flight director system's horizontal situation indicator is the one manually selected by the pilot. It is not the actual ground track, desired ground track, or actual compass heading.

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200. What indication is displayed on the oil pressure indicator when there is an open rotor lead in the transmitter?

Explanation

When there is an open rotor lead in the transmitter, it means that the oil pressure indicator is not receiving any signal or information from the rotor. As a result, the indication on the oil pressure indicator will be inoperative, meaning it will not display any reading or information regarding the oil pressure.

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The major difference between the octal, decimal, and binary numbering...
For electrical soldering, always use
The amount of current produced when the hot junction in the vertical...
The global positioning system is a worldwide radio-navigation system...
Which technical order (TO) should you use to locate all the TOs...
Which is not a C–5 lateral augmentation system interface?
Which maintenance data collection data element is published in manuals...
What form is used for maintenance data collection when the Integrated...
Which control panel on the H–60 altitude hold/hover...
Near the equator, the lines of magnetic force are
One of the most common lock wiring mistakes a new avionics technician...
Which is a basic principle of supply discipline?
When approaching overheated aircraft wheels, always approach the wheel
If the C–130 aircraft is not wings-level during operation of the...
When the autopilot (A/P) of the electronic flight control system on a...
The entry in the CAT LAB (category labor) block on the AFTO Form 349...
Each total air temperature probe contains
The data loader system is comprised of a
On the KC–135, the flight control set processor roll command...
Static pressure is
Which is not an advantage of an active on-board collision system?
On the KC–135, cross-channel monitoring in the flight control...
Which Mach-A/S indicator displays are manually inserted?
Which inspection is a thorough and searching "look, see, and fix" of...
Property accountability is the obligation
Which block of the AFTO Form 349 is checked to indicate actions that...
To directly convert binary-to-hexadecimal, divide the binary number...
The INS mode selector unit BAT light illuminates if the battery unit
How often are Integrated Maintenance Data System reports produced and...
On the KC–135, a change on the pressure input of the air control...
How is the Integrated Maintenance Data System considered to be "user...
How many global position system satellites are needed to establish our...
Which letters are contained in the numerical designator of a checklist...
Which error(s) must be corrected to make an A/S indicator display true...
The flap position indicator on the C–5 is a dial-type instrument...
The sensing elements in the true A/S indicator are surrounded by
With an input frequency of 400 Hz, what is the frequency of the...
Besides publishing bulletins, and base or headquarters official...
The most correct statement concerning the B–2 gust load...
Which comparator warning monitor subsystem indicator lights when a...
The DC fuel quantity indicating system does not need coaxial cables...
The tachometer generator most commonly used with vertical scale...
The ATT switch position on the INS mode selector unit is used to...
In repairing damaged copper foil tape, what is the last wrap used on...
During what aircraft maneuver is the static pressure inside the...
The telescope on the magnetic field monitor is
The inertial navigation system operates as a self-contained system,...
What type of ground should be provided for soldering irons in an...
The total production effort and management of group maintenance...
On the KC–135 flight control set, the GLIDE SLOPE ARM...
How many different test patterns are used when the CITS computer...
What is a responsibility of the maintenance operations center?
What type of corrosion attacks the grain boundaries of a material?
What is the minimum safe distance from the intake of an operating jet...
What positions the tape and moves the rotor of the control transformer...
The C–5 primary flight control system consists of the aileron,...
Entries in the numerical index section of the illustrated parts...
Density error can be corrected by adjusting the
The mechanical yaw control system on the B–1B is
The DC fuel quantity indicating system uses a compensation capacitor...
Which device on the sensor-driven N1 RPM indicator represents the...
The four types of programs used in the G081 Automated Maintenance...
What determines the direction the motor is driven to position the yaw...
Which inspection is designed to detect defects that might have...
To prevent movement of the aircraft, the main landing gear wheels must...
The only moving part in the oil pressure indicator is the
The result of converting the binary-coded decimal number...
What type filter is used in the yaw augmentation system to block any...
Who manages the squadron's cannibalization program?
An AFTO Form 781L is used to
What percentage of minor shield damage can the flight line technician...
What do global positioning system receivers have programmed into their...
According to the principles applicable to the A/S indicator, as...
What type of inspection is a flight preparedness check?
The torquemeter assembly consists of a torquemeter housing assembly,...
What are the HUD master control switch positions?
The C–5 yaw augmentation (Y/A) system provides yaw damping, turn...
The hydraulic manifold on the C–5 yaw augmentation system is...
In the B–1B mechanical pitch control subsystem, normal...
Before the B–1B mechanical yaw limiter system can be placed in...
The standard datum plane is a theoretical plane where the atmospheric...
What is not a flight line precaution used to protect electrostatic...
Electromagnetic pulse cable was developed with how many outer...
Twisting an optic fiber during installation or maintenance results in
Optoelectronic transducers perform what function in a fiber optic...
The three operational modes as selected on the fuel center of gravity...
Users of the G081 Automated Maintenance Information System know they...
The maximum number of avionics units the Military Standard 1553B data...
When the electric trim switches for the C–5 horizontal...
What is displayed on the heading marker of the flight director...
What indication is displayed on the oil pressure indicator when there...
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