2A652 CDC EOC Practice Quiz

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1. Diagonal cutting pliers are designed to cut  

Explanation

Diagonal cutting pliers are designed to cut small wire because of their sharp angled cutting edges. These pliers have a pointed tip that allows for precise cutting of thin wires. They are commonly used in electrical work and crafting projects where delicate wire cutting is required. Diagonal cutting pliers are not suitable for cutting bolts, rivets, or hard steel as these materials require more heavy-duty tools.

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2A652 CDC EOC Practice Quiz - Quiz

2A652 CDC EOC Practice Quiz

2. The magnetism that remains after the magnetizing force has been removed is known as

Explanation

Residual magnetism refers to the magnetism that remains in a material even after the magnetizing force has been removed. This phenomenon occurs because some of the magnetic domains within the material become aligned during the magnetization process and retain their alignment. This residual magnetism can be observed in materials like iron or steel, where the domains remain aligned and create a magnetic field. This property is utilized in applications such as magnetic storage devices and electromagnets.

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3. If you must push a wrench rather than pull it, how should you do it?

Explanation

To push a wrench, it is recommended to use the base of your palm and hold your hand open. This technique allows for better control and stability while exerting force on the wrench. By using the base of the palm, the pressure is distributed more evenly, reducing the strain on the fingers and joints. Holding the hand open also provides a better grip and prevents the wrench from slipping.

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4. What medium is used to cool the MC-2A rotary vane compressor?

Explanation

Oil is used as the medium to cool the MC-2A rotary vane compressor. This is because oil has excellent heat transfer properties and can effectively absorb and dissipate heat generated during the compression process. It also helps lubricate the moving parts of the compressor, reducing friction and wear. Water, air, and hydraulic fluid are not commonly used for cooling rotary vane compressors, making them incorrect options.

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5. When using a troubleshooting chart, what are you not likely to find?

Explanation

When using a troubleshooting chart, you are not likely to find an analysis. A troubleshooting chart is a tool used to identify and solve problems, typically by listing the symptoms, probable causes, and remedies. The analysis is the process of examining and evaluating the information gathered from the troubleshooting chart to determine the root cause of the problem. Therefore, the analysis is not included in the troubleshooting chart itself.

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6. What medium is used to cool the MC-2A rotary vane compressor?

Explanation

The MC-2A rotary vane compressor is cooled using oil. Oil is commonly used as a cooling medium in compressors because it has a high heat capacity and can effectively absorb and dissipate heat. The oil circulates through the compressor, absorbing heat from the internal components and carrying it away. This helps to prevent overheating and ensures the compressor operates at optimal temperatures.

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7. The type of injector that is operated by a rocker arm is the

Explanation

A mechanical injector is operated by a rocker arm, which is a mechanical component that helps control the opening and closing of the injector. This type of injector is commonly found in older vehicles and relies on mechanical force to deliver fuel into the engine.

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8. Torque is defined as

Explanation

Torque is a measure of the rotational force applied to an object. It represents the tendency of a force to rotate an object around an axis. In other words, torque is the force that causes an object to rotate or twist. It is commonly used in physics and engineering to describe the effectiveness of a force in rotating an object. Therefore, the correct answer is "rotational force".

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9. The area around a magnet where its influence can be felt is the definition of the

Explanation

A magnetic field is the area around a magnet where its influence can be felt. It is the region in which magnetic forces are exerted on other magnets or magnetic materials. This field is created by the movement of electric charges, such as the flow of electrons in a wire or the spinning of electrons in an atom. The strength and direction of the magnetic field can be determined by using a compass, which aligns itself with the field lines.

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10. What technical order contains the periodic inspection section?

Explanation

The periodic inspection section is typically found in the Operation and service TO (Technical Order). This TO provides instructions and guidelines for the operation and maintenance of a particular equipment or system. It includes information on routine inspections that need to be conducted periodically to ensure proper functioning and safety. Therefore, the Operation and service TO is the most appropriate technical order that contains the periodic inspection section.

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11. What technical order (TO) contains the periodic inspection (PE) section?

Explanation

The periodic inspection (PE) section is typically found in the Operation and service TO. This TO provides instructions on how to operate and maintain a specific piece of equipment or system. It includes information on routine inspections and maintenance tasks that need to be performed at regular intervals to ensure the equipment is in proper working condition. The Illustrated Parts TO focuses on identifying and ordering replacement parts, the Lubrication chart TO provides guidance on proper lubrication procedures, and the Overhaul TO provides instructions for complete disassembly and reassembly of the equipment.

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12. What component on the self generating nitrogen service cart (SGNSC) removes nitrogen from the ambient air?

Explanation

The separation membrane is the component on the self-generating nitrogen service cart (SGNSC) that removes nitrogen from the ambient air. It is designed to selectively allow nitrogen molecules to pass through while blocking other gases. This process separates nitrogen from the surrounding air, allowing it to be collected and used for various applications. The other options listed, such as the carbon absorber, booster compressor, and filters, do not perform the specific function of removing nitrogen from the ambient air.

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13. How often are service inspections required?

Explanation

After maintenance, service inspections are required. This means that inspections should be conducted on equipment after any maintenance work has been performed. This is important to ensure that the equipment is in proper working condition and to identify any potential issues or faults that may have arisen during the maintenance process. Regular inspections after maintenance help to prevent any further damage or breakdowns and ensure the equipment's reliability and safety.

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14. After shutdown a motor continues turning; this is known as  

Explanation

After shutdown, a motor continues turning due to its inertia. Inertia is the property of an object to resist changes in its motion. In the case of a motor, the rotating parts have momentum and will keep rotating even after the power is cut off. This is because the motor's inertia keeps it in motion until an external force stops it completely.

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15. How often are service inspections required?

Explanation

After maintenance, service inspections are required to ensure that the equipment is in proper working condition and to identify any potential issues or repairs that may be needed. Maintenance activities can involve cleaning, repairing, and replacing parts, and it is important to conduct service inspections afterwards to verify that the maintenance tasks were completed successfully and that the equipment is safe and ready for use.

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16. The responsibility of a person to make good any loss, destruction, or damage of government property caused by misuse or neglect is what kind of liability?

Explanation

Pecuniary liability refers to the responsibility of an individual to financially compensate for any loss, destruction, or damage caused to government property due to their misuse or neglect. This type of liability involves monetary consequences, where the person is required to pay for the repair or replacement of the damaged property.

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17. The best step in preventing abnormal amounts of carbon, moisture, and sludge build-up in a diesel engine, is to

Explanation

Operating the engine for extended periods at no-load can lead to abnormal amounts of carbon, moisture, and sludge build-up in a diesel engine. This is because when the engine is running without any load, it does not reach its optimal operating temperature, which can result in incomplete combustion and the formation of carbon deposits. Additionally, operating at no-load does not generate enough heat to evaporate moisture in the engine, leading to moisture build-up. Therefore, avoiding operating the engine for extended periods at no-load is the best step in preventing these issues.

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18. What medium is used to cool the MC-2A rotary vane compressor?

Explanation

The MC-2A rotary vane compressor is cooled using oil. Oil cooling is a common method used in compressors to remove heat generated during the compression process. The oil absorbs the heat and carries it away from the compressor, preventing overheating and ensuring efficient operation. This method is preferred in rotary vane compressors as it provides effective cooling and lubrication to the moving parts, ensuring smooth and reliable performance.

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19. The Principle behind all electromechanical generation is

Explanation

Electromagnetic induction is the principle behind all electromechanical generation. It refers to the process of generating an electromotive force (EMF) in a conductor when it is exposed to a changing magnetic field. This phenomenon is the basis for the functioning of generators, where a rotating magnet induces a current in a coil of wire, resulting in the generation of electrical energy. Electromagnetic induction is a fundamental principle in electrical engineering and is widely used in various applications, including power generation, transformers, and electric motors.

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20. What controls the speed of retraction of the hydraulic cylinder assembly on the B-1 adjustable aircraft maintenance platform?

Explanation

The speed of retraction of the hydraulic cylinder assembly on the B-1 adjustable aircraft maintenance platform is controlled by a handle on the bypass valve. This valve allows the operator to regulate the flow of hydraulic fluid, which in turn determines the speed at which the cylinder retracts. By adjusting the position of the handle on the bypass valve, the operator can increase or decrease the flow of fluid, thereby controlling the speed of retraction.

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21. The responsibility of a person to make good any loss, destruction, or damage of government property caused by misuse or neglect is what kind of liability?

Explanation

Pecuniary liability refers to the responsibility of an individual to financially compensate for any loss, destruction, or damage caused to government property due to misuse or neglect. This means that the person is obligated to cover the costs incurred by the government as a result of their actions or negligence.

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22. Replacement hardware decisions are based on

Explanation

Replacement hardware decisions are based on serviceability criteria. This means that when deciding to replace hardware, factors such as the ease of maintenance, repairability, and the availability of spare parts are taken into consideration. Serviceability criteria ensure that the replacement hardware can be easily serviced and maintained, reducing downtime and increasing the overall efficiency of the system. This criterion also helps in considering the long-term cost-effectiveness of the replacement hardware, as easily serviceable hardware tends to have lower maintenance costs.

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23. A good refrigerant would  

Explanation

A good refrigerant should operate with low pressure and have a low boiling point to efficiently absorb heat from the surroundings and evaporate easily. Additionally, it should not be poisonous to ensure the safety of the users and the environment.

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24. The stator windings of a synchronous motor are wound

Explanation

The stator windings of a synchronous motor are wound 120 degrees apart. This is because a synchronous motor operates on the principle of magnetic fields interacting with each other. By winding the stator windings 120 degrees apart, the resulting magnetic fields generated by each winding will also be 120 degrees apart. This phase difference between the magnetic fields is necessary for the motor to operate synchronously with the rotating magnetic field produced by the rotor.

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25. When using a troubleshooting chart, what are you not likely to find? 

Explanation

When using a troubleshooting chart, you are not likely to find analysis. A troubleshooting chart typically provides a step-by-step guide to identify and resolve issues or problems. It focuses on providing remedies, symptoms, and probable causes to help users troubleshoot and fix the issue at hand. Analysis, on the other hand, involves a detailed examination or evaluation of the problem, which may require additional tools or expertise beyond what a troubleshooting chart can provide.

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26. Expanding or contraction the depletion region of a diode is called

Explanation

Biasing is the process of applying a voltage or current to a diode in order to control its behavior. By applying a bias, the depletion region of the diode can be either expanded or contracted. This affects the flow of current through the diode and allows it to function as a rectifier or amplifier. Biasing is an essential technique in electronics to ensure that diodes and other semiconductor devices operate correctly and efficiently.

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27. What controls the speed of retraction of the hydraulic cylinder assembly on the B-1 adjustable aircraft maintenance platform?

Explanation

The speed of retraction of the hydraulic cylinder assembly on the B-1 adjustable aircraft maintenance platform is controlled by a handle on the bypass valve. By adjusting the position of the handle on the bypass valve, the flow of hydraulic fluid can be regulated, thus controlling the speed at which the cylinder retracts.

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28. What controls the speed of retraction of the hydraulic cylinder assembly on the B-1 adjustable aircraft maintenance platform?

Explanation

The speed of retraction of the hydraulic cylinder assembly on the B-1 adjustable aircraft maintenance platform is controlled by the handle on the bypass valve. This valve allows for the regulation of hydraulic fluid flow, which in turn determines the speed at which the cylinder assembly retracts. By adjusting the position of the handle on the bypass valve, the operator can control the speed of retraction to ensure safe and efficient operation of the maintenance platform.

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29. Expanding or contracting the depletion region of a diode is called

Explanation

Biasing refers to the process of applying a DC voltage to a diode in order to control its operation. By applying a forward bias, the depletion region of the diode is reduced, allowing current to flow through it. Conversely, applying a reverse bias widens the depletion region, preventing current flow. Therefore, expanding or contracting the depletion region of a diode is called biasing.

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30. Expanding or contracting the depletion region of a diode is called

Explanation

Biasing refers to the process of applying a DC voltage to a diode in order to control its operation. By applying a forward bias voltage, the depletion region of the diode is reduced, allowing current to flow through the diode. Conversely, applying a reverse bias voltage expands the depletion region, preventing current flow. Therefore, biasing is the correct term to describe the process of expanding or contracting the depletion region of a diode.

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31. During a gas turbine engine operation, the air is accelerated by the

Explanation

Impellers are rotating components in a gas turbine engine that accelerate the air. They consist of blades or vanes that spin rapidly, creating a high-velocity flow of air. This accelerated air is then used to drive the turbine and generate power. Therefore, impellers are responsible for the initial acceleration of the air in a gas turbine engine.

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32. Which procedure should you always observe when working with electrostatic sensitive devices?

Explanation

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33. If the unit technical order (TO) and workcards conflict during an inspection, the procedure you should follow is

Explanation

If the unit technical order (TO) and workcards conflict during an inspection, the procedure to follow is to prioritize the workcard requirements over the TO information. This means that the instructions and guidelines provided in the workcards should be followed first before referring to the TO information. This ensures that the inspection is conducted according to the specific requirements and procedures outlined in the workcards, which may have been tailored for the specific unit or situation. If there are any discrepancies or conflicts between the TO and workcards, the workcard requirements take precedence.

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34. "The flow or drift of electrons through a conductor" in the same direction at the same time is the definition of  

Explanation

Current is defined as the flow or drift of electrons through a conductor in the same direction at the same time. It represents the movement of electrical charge and is measured in amperes (A). Conductivity refers to the ability of a material to conduct electricity, voltage is the potential difference between two points in a circuit, and valence refers to the combining power of an element. Therefore, the correct answer is current.

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35. Oil in the rotary vane compressor

Explanation

The oil in the rotary vane compressor forms a seal between the vanes and the stator. This is important because it helps to prevent any leakage of air or gas between the moving parts of the compressor. By forming a seal, the oil ensures that the compressor can operate efficiently and effectively by maintaining the desired pressure levels.

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36. Which procedure should you always observe when working with electrostatic sensitive devices?

Explanation

It is important to always observe the procedure of properly marking all electrostatic sensitive devices. This ensures that these devices are easily identifiable and that proper precautions can be taken when handling and working with them. Proper marking helps to prevent accidental damage or mishandling of these sensitive devices, reducing the risk of electrostatic discharge and potential damage to the devices.

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37. Which time compliance technical order (TCTO) has circled red X's with alternately spaced red diagionals bordering the first page?

Explanation

The correct answer is "Urgent" because TCTOs with circled red X's with alternately spaced red diagonals bordering the first page are classified as urgent. Urgent TCTOs indicate that the corrective action needs to be taken immediately to prevent potential safety hazards or operational issues. These TCTOs are typically issued for critical equipment or systems that require immediate attention and cannot be delayed.

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38. Which time compliance technical orders (TCTO) has circled red X's with alternately spaced red diagonals bordering the first page?

Explanation

The correct answer is "Urgent." Time Compliance Technical Orders (TCTOs) that have circled red X's with alternately spaced red diagonals bordering the first page indicate that the TCTO is of urgent priority. This means that the action specified in the TCTO must be completed as soon as possible to ensure safety or prevent further damage or malfunction.

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39. What maximum AC resistive load can be portable load bank apply to a generator?

Explanation

A portable load bank is used to test the performance and capacity of a generator. The maximum AC resistive load that can be applied to a generator using a portable load bank is 75 kilowatts. This means that the load bank can simulate a maximum power demand of 75 kilowatts on the generator, allowing for thorough testing and evaluation of its capabilities.

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40. If the unit technical order (TO) and workcards conflict during an inspection, the procedure you should follow is

Explanation

When there is a conflict between the unit technical order (TO) and workcards during an inspection, the procedure to follow is to prioritize the workcard requirements over the TO information. This means that the instructions and tasks outlined in the workcards should be followed first and given precedence over the guidelines provided in the TO. This ensures that the inspection is conducted in accordance with the specific requirements and instructions outlined in the workcards, which may have been tailored to the specific needs or conditions of the unit. If there are still uncertainties or conflicts, locally established directives can be consulted for further guidance.

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41. Which time compliance technical orders (TCTO) has circled red X's with alternately spaced red diagionals bordering the first page?

Explanation

The TCTO with circled red X's and alternately spaced red diagonals bordering the first page is classified as "Urgent." This indicates that the technical order requires immediate attention and action due to its critical nature.

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42. Which causes gray or white smoke to pour from the exhaust stack on the GTC?

Explanation

When oil enters the airflow system, it can cause gray or white smoke to pour from the exhaust stack on the GTC. This is because the oil gets burned along with the fuel in the combustion process, resulting in smoke being emitted from the exhaust.

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43. The first step of troubleshooting heating equipment is  

Explanation

The first step of troubleshooting heating equipment is recognition. This means identifying and acknowledging that there is a problem with the equipment. Without recognizing the issue, it would be impossible to proceed with any further troubleshooting steps. Once the problem is recognized, then isolation, analysis, and verification can be carried out to identify the cause of the problem and find a solution.

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44. Given a voltage of 24 volts and a resistance of 18 ohms in a series circuit, the current through the resistor would be

Explanation

In a series circuit, the current flowing through all the components is the same. To calculate the current flowing through the resistor, we can use Ohm's Law which states that current (I) is equal to voltage (V) divided by resistance (R), or I = V/R. Plugging in the given values, we get I = 24 volts / 18 ohms = 1.33 amps. Therefore, the correct answer is 1.33 amps.

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45. The first step of troubleshooting heater equipment is

Explanation

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46. Heat added to a gaseous substance is known as  

Explanation

Superheat refers to the heat added to a gaseous substance beyond its boiling point or saturation point. When a substance is heated above its boiling point, it becomes superheated and exists as a gas at a temperature higher than its boiling point. This additional heat energy is known as superheat. It is different from latent heat, which is the heat required to change the state of a substance from solid to liquid or from liquid to gas. Sensible heat refers to the heat that can be sensed or measured, while specific heat is the amount of heat required to raise the temperature of a substance by a certain amount.

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47. The three-phase induction motor does not require

Explanation

The three-phase induction motor does not require a starting device because it is a self-starting motor. It operates by the principle of electromagnetic induction, where the rotating magnetic field generated by the stator induces currents in the rotor, causing it to rotate. This self-starting capability eliminates the need for an external starting device, such as a starter motor or capacitor, which are typically required in other types of motors to initiate rotation. Therefore, the correct answer is Starting Device.

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48. The best method of repairing a lifted circuit track on a printed circuit board (PCB) is to

Explanation

The best method of repairing a lifted circuit track on a printed circuit board (PCB) is to replace it with insulated wire. This is because replacing the lifted track with insulated wire ensures that there is no electrical contact between the track and any other nearby components or tracks. Insulated wire provides a reliable and safe connection, preventing any short circuits or damage to the PCB.

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49. Which time compliance TCTO has circled red X's with alternately spaced red diagonals bordering the first page?

Explanation

The correct answer is "Urgent." An urgent Time Compliance Technical Order (TCTO) is indicated by red X's with alternately spaced red diagonals bordering the first page. This marking signifies that the TCTO requires immediate action to address a critical safety issue or prevent significant equipment damage.

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50. What is the condition of the component bearing a red tag?

Explanation

The condition of the component bearing a red tag is condemned.

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51. What color code is given to pre-insulated terminals that can be used to determine wire sizes 18 through 22? 

Explanation

The color code red is given to pre-insulated terminals that can be used to determine wire sizes 18 through 22. This color coding system helps in identifying the appropriate terminal size for specific wire gauges.

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52. After depot has repaired an item, they send copies of the Air Force Technical Order (AFTO) Form 375, Selected Support Equipment Repair Cost Estimate, to whom?

Explanation

After the depot has repaired an item, they send copies of the Air Force Technical Order (AFTO) Form 375, Selected Support Equipment Repair Cost Estimate, to all of the above mentioned entities. This includes the MAJCOM (Major Command), originating unit, and the inventory manager. This ensures that all relevant parties are informed about the repair cost estimate and can take appropriate actions based on the information provided.

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53. The self generating nitrogen servicing cart (SGNSC) is categorized as a

Explanation

The self-generating nitrogen servicing cart (SGNSC) is categorized as a high-pressure air compressor because it is designed to generate and deliver high-pressure nitrogen gas for servicing aircraft systems. This type of compressor is capable of delivering compressed air at pressures higher than 100 psi, which is necessary for various aircraft maintenance and servicing tasks. The SGNSC is specifically designed to meet the high-pressure requirements of nitrogen servicing in the aviation industry.

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54. The size of a screwdriver is determined by the shank

Explanation

The size of a screwdriver is determined by its length. The length of the screwdriver refers to the measurement from the tip of the tool to the end of the handle. The length is an important factor in determining the suitability of the screwdriver for different tasks. A longer screwdriver may provide more leverage and reach for accessing screws in tight spaces, while a shorter screwdriver may be more convenient for smaller, delicate tasks. Therefore, the length of a screwdriver is a key characteristic that determines its size.

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55. What component of the A/M32A-86D energizes to send power to the fuel gauge during operation?

Explanation

The oil pressure switch, S53, energizes to send power to the fuel gauge during operation. This means that when the oil pressure reaches a certain level, the switch activates and allows power to flow to the fuel gauge, providing an accurate reading of the fuel level.

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56. What component of the A/M32A-86D energizes to send power to the fuel gauge during operation?

Explanation

The oil pressure switch, S53, energizes to send power to the fuel gauge during operation of the A/M32A-86D. This switch is responsible for monitoring the oil pressure in the system and activating various components based on the pressure level. In this case, it sends power to the fuel gauge, which allows for accurate monitoring of the fuel levels.

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57. The effect of noise depends on the

Explanation

The effect of noise depends on the frequency, volume, and duration of exposure. The frequency of the noise refers to the pitch or tone, with some frequencies being more damaging to hearing than others. The volume of the noise, measured in decibels (dB), determines the intensity or loudness of the sound. Prolonged exposure to high volumes can lead to hearing loss. Finally, the duration of exposure refers to the length of time a person is exposed to the noise. Longer exposure increases the risk of hearing damage.

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58. What component of the A/M32A-86D energizes to send power to the fuel gauge during operation?

Explanation

During operation, the oil pressure switch, S53, energizes to send power to the fuel gauge in the A/M32A-86D. This switch is responsible for detecting the oil pressure in the system. When the oil pressure reaches a certain level, the switch closes and allows power to flow to the fuel gauge, indicating the amount of fuel in the system.

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59. "Dielectric" is the term used for

Explanation

The term "dielectric" is used for insulators. Dielectrics are materials that do not conduct electricity easily, as they have a high resistance to the flow of electric current. They are commonly used in electrical and electronic devices to separate conductive components and prevent short circuits. Insulators are crucial in maintaining the insulation and safety of electrical systems by preventing the unwanted flow of electricity.

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60. A diode placed in a circuit in reverse bias is being used as

Explanation

When a diode is placed in reverse bias, it acts as a spike protector. In this configuration, the diode prevents voltage spikes or transients from damaging the circuit by allowing current to flow in the reverse direction only when the voltage exceeds a certain threshold. This helps to protect sensitive components from sudden voltage surges and ensures the stability and integrity of the circuit.

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61. A material deficiency exhibit tag can be identified by it's

Explanation

A material deficiency exhibit tag can be identified by its brown color. This color is typically used to indicate that there is a problem or deficiency with the material being tagged. It may signify that the material is damaged, defective, or not up to the required standard. The brown color serves as a visual cue to quickly identify and address any issues with the material.

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62. In a simple generator, which would be the most difficult method to increase the output?

Explanation

Increasing the amount of motion would be the most difficult method to increase the output in a simple generator. This is because increasing the motion requires more mechanical energy input, which can be challenging to achieve. On the other hand, increasing the strength of the magnetic field, increasing the area of the conductor, or increasing the relative resistance can be relatively easier to accomplish and can result in a higher output in a generator.

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63. The maximum amperage load the transformer rectifier pack can maintain is

Explanation

The correct answer is 2500 amps for 30 seconds. This means that the transformer rectifier pack can handle a maximum load of 2500 amps for a duration of 30 seconds before it reaches its limit.

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64. How many junctions are check to test the serviceability of a transistor?

Explanation

To test the serviceability of a transistor, three junctions are checked. Transistors are made up of three layers of semiconductor material, namely the emitter, base, and collector. Each junction between these layers, namely the emitter-base junction, base-collector junction, and emitter-collector junction, is tested to ensure the transistor is functioning properly. By checking the characteristics and behavior of these three junctions, one can determine if the transistor is in good working condition.

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65. A heat sink is used in soldering to

Explanation

A heat sink is a device that helps dissipate heat generated by electronic components. When soldering, heat is applied to the component being soldered in order to melt the solder and create a strong bond. However, excessive heat can damage not only the component being soldered but also other nearby components in the circuit. Therefore, a heat sink is used to absorb and dissipate the excess heat, preventing it from damaging other components in the circuit.

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66. Total current in a series parallel circuit remains the same throughout the

Explanation

In a series parallel circuit, the total current remains the same throughout the series part of the circuit because the current has only one path to flow through. However, in the parallel portion of the circuit, the current divides according to the branch resistance. This is because in a parallel circuit, the current has multiple paths to choose from, and the amount of current flowing through each path depends on the resistance of that path.

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67. In a simple generator, which would be the most difficult method to increase the output?

Explanation

Increasing the amount of motion would be the most difficult method to increase the output in a simple generator. This is because increasing the amount of motion would require additional energy input, such as increasing the speed or force applied to the generator. This would require additional resources and may not be feasible or practical in certain situations. On the other hand, increasing the relative resistance, the strength of the magnetic field, or the area of the conductor can be relatively easier to achieve and can result in a higher output in a simple generator.

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68. What is the approximate operating voltage of a light emitting diode (LED)?

Explanation

The approximate operating voltage of a light emitting diode (LED) is 1.6 volts.

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69. The Integrated Maintenance Data System (IMDS) concept of using predefined screens to request input is known as

Explanation

The correct answer is screen processing. The Integrated Maintenance Data System (IMDS) uses predefined screens to request input from users. This means that users interact with the system by inputting data through specific screens that have been designed for specific purposes. This approach allows for a structured and organized way of gathering information from users and ensures that the data is entered correctly and consistently. The use of predefined screens also helps to streamline the input process and make it more efficient.

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70. Which maintenance levels are referred to as field maintenance?

Explanation

Field maintenance refers to the maintenance levels that are conducted in the field or on-site. These levels involve maintenance tasks that can be performed by the operating unit or organization itself, without the need for specialized facilities or equipment. Organizational and intermediate maintenance levels are referred to as field maintenance because they can be carried out in the field or on the operational site, without the need to send the equipment or machinery to a centralized or depot facility for repairs or maintenance.

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71. Lubrication system pressure in the turbine engine is regulated through a

Explanation

The correct answer is the pressure relief valve. In a turbine engine, the lubrication system pressure needs to be regulated to ensure proper lubrication of the engine components. The pressure relief valve is responsible for maintaining the desired pressure level by releasing excess pressure from the system. This valve opens when the pressure exceeds a certain threshold and allows the excess oil to bypass the system, preventing damage to the engine.

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72. What component uses voltage to control the size of the current flow channel?

Explanation

A FET (Field Effect Transistor) is a component that uses voltage to control the size of the current flow channel. When a voltage is applied to the gate terminal, it creates an electric field that controls the conductivity of the channel between the source and drain terminals. By varying the voltage at the gate, the size of the channel can be adjusted, thereby controlling the current flow through the FET.

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73. Which part of the torque wrench scale is normally not used?

Explanation

The lower 20% of the torque wrench scale is normally not used because it is considered to be the least accurate and least reliable range of the tool. The upper 80% of the scale is where the wrench is most effective and provides the most accurate torque measurements. Therefore, it is recommended to avoid using the lower 20% of the scale to ensure accurate and reliable torque readings.

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74. When you check the concentricity of a commutator or slips rings, look for

Explanation

When checking the concentricity of a commutator or slip rings, it is important to look for roundness. This means that the surface should be smooth and without any irregularities or bumps. Roundness ensures that the commutator or slip rings will make proper contact with the brushes, allowing for efficient electrical transfer. If there are any deformities or unevenness in the surface, it can lead to poor performance, increased wear, and potential damage to the electrical system. Therefore, roundness is a crucial factor to consider when inspecting these components.

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75. Lubrication system pressure in the turbine engine is regulated through a

Explanation

The pressure relief valve is responsible for regulating the lubrication system pressure in a turbine engine. It is designed to open and release excess pressure when it exceeds a certain threshold, ensuring that the system does not become overpressurized. By relieving the excess pressure, the valve helps to maintain a safe and optimal operating pressure within the lubrication system, preventing potential damage or failure to the engine components.

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76. When filling and bleeding the system of the MJ-2A-1 hydraulic test stand, the resevoir selector valve must be in the

Explanation

When filling and bleeding the system of the MJ-2A-1 hydraulic test stand, the reservoir selector valve must be in the "aircraft position". This is because the aircraft position allows the hydraulic fluid to be drawn from the aircraft's hydraulic system, which is necessary for filling and bleeding the system of the test stand. The other positions (stand position, external position, and open position) would not provide the required source of hydraulic fluid for this process.

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77. How many junctions are checked to test the serviceability of a transistor?

Explanation

To test the serviceability of a transistor, three junctions are checked. Transistors are made up of three layers of semiconductor material, namely the emitter, base, and collector. The junctions between these layers are known as the emitter-base junction and the base-collector junction. By checking the characteristics of these junctions, such as forward and reverse bias voltages, current flow, and resistance, the serviceability of the transistor can be determined. Therefore, three junctions are tested to ensure the proper functioning of the transistor.

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78. What are the two classes of Air Force publications?

Explanation

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79. Total current in a series parallel circuit remains the same throughout the

Explanation

In a series parallel circuit, the total current remains the same throughout the parallel portion of the circuit. This is because the current has only one path to follow in the series portion, so it remains constant. However, in the parallel portion, the current divides according to the branch resistance. This means that the current will be higher in branches with lower resistance and lower in branches with higher resistance. Therefore, the correct answer is that the current in the series part of the circuit divides according to the branch resistance in the parallel portion.

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80. What component on the MA-3D air conditioner allows the operator to control the overall volume of air leaving the unit?

Explanation

The airflow control switch on the MA-3D air conditioner allows the operator to control the overall volume of air leaving the unit. This switch is responsible for adjusting the speed or intensity of the blower, which determines the amount of air being circulated. By manipulating the airflow control switch, the operator can increase or decrease the volume of air being blown out of the unit, providing control over the cooling or heating effect of the air conditioner.

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81. In a series-wound DC motor, speed is controlled by the

Explanation

In a series-wound DC motor, the speed is controlled by the load. The load refers to the external mechanical load or resistance that the motor is driving. As the load increases, the speed of the motor decreases and vice versa. This is because the load affects the amount of current flowing through the motor, which in turn affects the magnetic field strength and therefore the motor speed.

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82. The maximum amperage load the transformer rectifier pack can maintain is

Explanation

The maximum amperage load the transformer rectifier pack can maintain is 2500 amps for 30 seconds. This means that the pack is capable of handling a current of up to 2500 amps for a duration of 30 seconds without any issues or damage. It is important to note that this maximum load capacity is only for a short period of time and should not be exceeded to avoid any potential damage to the pack.

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83. To charge the reciever on the MC-2A air compressor, ensure the air control valve is closed and

Explanation

To charge the receiver on the MC-2A air compressor, it is necessary to close the receiver drain valve. This is because the receiver drain valve is responsible for releasing any accumulated moisture or impurities from the receiver tank. By closing the drain valve, it ensures that the receiver tank remains sealed and ready to be charged with compressed air.

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84. In a brushless AC generator, what provides the field current for the main AC generator section

Explanation

The exciter generator provides the field current for the main AC generator section in a brushless AC generator. The exciter generator is a small generator that produces the necessary electrical power to create a magnetic field in the main generator. This magnetic field is essential for the generation of electricity in the main generator. Unlike a battery or the main generator itself, the exciter generator is specifically designed to provide the required field current for the main generator's operation.

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85. How long can you operate the starter on the A/M32A-86D before letting it cool?

Explanation

The correct answer is 30 seconds. This is because the A/M32A-86D starter needs to be operated for a maximum of 30 seconds before it should be allowed to cool. Operating it for longer periods without cooling can lead to overheating and potential damage to the starter.

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86. What prevents over pressurization of the steering system of the MJ-1B bomblift?

Explanation

The relief valve prevents over pressurization of the steering system of the MJ-1B bomblift. When the pressure in the system exceeds a certain limit, the relief valve opens to release the excess pressure, ensuring that the system does not become over pressurized. This helps to protect the steering system from damage and maintain its proper functioning.

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87. Which step in utilizing the Integrated Maintenance Data System (IMDS) prevents unauthorized access to the database?

Explanation

LOGOFF is the step in utilizing the Integrated Maintenance Data System (IMDS) that prevents unauthorized access to the database. By logging off from the system, users ensure that their session is terminated and no one else can access or make changes to the database using their credentials. This step is crucial in maintaining the security and integrity of the system and protecting sensitive information from unauthorized users.

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88. The valves on a reciprocating compressor are operated by

Explanation

The valves on a reciprocating compressor are operated by air pressure. This means that the opening and closing of the valves is controlled by the pressure of the air in the compressor. When the air pressure reaches a certain level, it causes the valves to open, allowing air to enter or exit the compressor. This mechanism ensures that the compressor functions properly and maintains the desired pressure levels.

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89. On the A/M32A-60A generator, the starter motor relay is deenergized when the

Explanation

When the 35 percent switch opens on the A/M32A-60A generator, the starter motor relay is deenergized. This means that the relay is no longer receiving power and therefore cannot activate the starter motor. The opening of the 35 percent switch interrupts the electrical circuit that supplies power to the starter motor relay, causing it to deenergize and preventing the motor from starting.

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90. While troubleshooting the GTC, you find no oil pressure and the oil filter is dirty.  Will changing the filter correct the problem?

Explanation

The oil pressure relief valve is responsible for regulating the oil pressure in the engine. If it is stuck open, it means that the valve is not closing properly and allowing oil to flow freely, resulting in no oil pressure. Changing the filter will not correct this problem because the issue lies with the relief valve.

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91. What determines the amount of potential required to forward bias a unijunction transistor (UJT)?

Explanation

The intrinsic stand-off ratio determines the amount of potential required to forward bias a unijunction transistor (UJT). The intrinsic stand-off ratio is a characteristic of the UJT that determines the voltage level at which the transistor starts to conduct current. It is a ratio of the resistance between the emitter and the junction to the resistance between the emitter and the base. A higher intrinsic stand-off ratio means that a higher potential is required to forward bias the UJT and initiate current flow.

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92. On the A/M32A-60A generator, the starter motor relay is deenergized when the 

Explanation

The correct answer is "35 percent switch opens". This means that when the 35 percent switch on the A/M32A-60A generator is opened, the starter motor relay is deenergized. This suggests that the 35 percent switch plays a crucial role in controlling the operation of the starter motor relay.

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93. Which time compliance technical order (TCTO) are issued to correct unsafe conditions that could result in serious or fatal injury to personnel?

Explanation

Immediate time compliance technical orders (TCTOs) are issued to correct unsafe conditions that could result in serious or fatal injury to personnel. These TCTOs require immediate action to mitigate the risk and ensure the safety of individuals. Unlike other types of TCTOs such as safety, urgent, or routine, immediate TCTOs prioritize the urgency of the situation and demand immediate attention and resolution.

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94. Preventative maintenance for corrosion includes

Explanation

Preventative maintenance for corrosion involves cleaning, inspecting, and painting. Cleaning is important to remove any dirt or contaminants that can accelerate corrosion. Inspecting allows for the identification of any signs of corrosion or potential areas of concern. Painting helps to create a protective barrier that can prevent corrosion from occurring or spreading. By regularly performing these three actions, corrosion can be prevented or addressed in its early stages, ensuring the longevity and functionality of the object or structure.

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95. In a parallel circuit, the total voltage is equal to the

Explanation

In a parallel circuit, the total voltage is equal to the voltage across each branch. This is because in a parallel circuit, the voltage across each branch is the same. The total voltage in the circuit is the sum of the individual voltages across each branch. Therefore, the correct answer is "voltage across each branch".

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96. What position must the alarm switch on the EPU-6/E frequency converter be placed prior to operation?

Explanation

The alarm switch on the EPU-6/E frequency converter must be placed in the "Activate" position prior to operation. This suggests that the alarm needs to be turned on or enabled in order to function properly. By activating the alarm switch, any potential issues or malfunctions can be detected and alerted to the operator, ensuring the safe and efficient operation of the frequency converter.

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97. What determines the amount of potential required to forward bias a unijunction transistor?

Explanation

The intrinsic standoff ratio determines the amount of potential required to forward bias a unijunction transistor. The intrinsic standoff ratio is a characteristic of the transistor and represents the ratio of the peak voltage to the valley voltage. It determines the level of voltage required to overcome the barrier and allow current to flow through the transistor. A higher intrinsic standoff ratio indicates a higher potential required to forward bias the transistor, while a lower ratio indicates a lower potential required.

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98. How many valence electrons are needed to make a good conductor?  

Explanation

A good conductor requires only 3 valence electrons. Valence electrons are the outermost electrons in an atom, and they are responsible for the atom's ability to conduct electricity. In order to be a good conductor, an atom should have few valence electrons, as this allows for easier movement of electrons and the flow of electric current. Therefore, an atom with 3 valence electrons is more likely to be a good conductor compared to atoms with 4, 5, or 6 valence electrons.

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99. What component uses voltage to control the size of the current flow channel?

Explanation

A Field-Effect Transistor (FET) is a component that uses voltage to control the size of the current flow channel. It works by applying a voltage to the gate terminal, which creates an electric field that controls the conductivity of the channel. By varying the voltage applied to the gate, the size of the current flow channel can be adjusted, allowing for precise control of the current flowing through the FET.

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100. The potential difference between two points in a circuit that exerts a force on free electrons is called

Explanation

Voltage refers to the potential difference between two points in a circuit that exerts a force on free electrons. It is the measure of electrical potential energy per unit charge and determines the flow of electric current in a circuit. When a voltage is applied across a conductor, it creates an electric field that causes the free electrons to move, resulting in the flow of electric current. Therefore, voltage is the correct answer in this context.

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101. In a parallel circuit, the total voltage is equal to the

Explanation

In a parallel circuit, the total voltage is equal to the voltage across each branch. This is because in a parallel circuit, the voltage across each branch is the same. This is because the voltage across each branch is determined by the voltage source connected to the circuit, and in a parallel circuit, each branch is connected directly to the voltage source. Therefore, the total voltage in a parallel circuit is equal to the voltage across each branch.

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102. In a brushless AC generator, what provides the gield current for the main AC generator section?

Explanation

The exciter generator provides the field current for the main AC generator section in a brushless AC generator. The exciter generator is responsible for producing the necessary magnetic field to induce voltage in the main generator. It typically consists of a small generator that is connected to the main generator and uses a small portion of its output to generate the required field current. This ensures that the main generator has a constant and stable magnetic field, allowing it to generate consistent AC power.

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103. What is the most commonly used type of tubing in AGE applications?

Explanation

Pressure tubing is the most commonly used type of tubing in AGE (Aircraft Ground Equipment) applications. This type of tubing is designed to withstand high levels of pressure, making it suitable for applications that require the transportation of fluids or gases under pressure. It is often used in hydraulic systems, pneumatic systems, and other applications where the containment and control of pressure is crucial. Pressure tubing is typically made from materials such as stainless steel or aluminum, which have high strength and corrosion resistance properties.

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104. The type of inspection that requires the most tear down of specific components is the

Explanation

A special inspection is the type of inspection that requires the most tear down of specific components. This type of inspection involves a thorough examination of specific components or systems, often requiring them to be dismantled or disassembled for closer inspection. It is typically performed for a specific purpose, such as troubleshooting, diagnosing a problem, or conducting a detailed examination of critical components. Unlike daily, service, or periodic inspections, a special inspection goes beyond routine checks and involves more extensive tear down and examination of specific components.

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105. The valves on a reciprocating compressor are operated by

Explanation

The valves on a reciprocating compressor are operated by air pressure. In a reciprocating compressor, air is compressed by a piston that moves back and forth. The air pressure created by the piston's movement is used to open and close the valves. When the piston moves down, it creates low pressure in the cylinder, causing the inlet valve to open and allow air to enter. When the piston moves up, it creates high pressure in the cylinder, causing the outlet valve to open and release the compressed air. Therefore, air pressure is responsible for operating the valves in a reciprocating compressor.

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106. The flowmeter on the MJ-2A-1 hydraulic test stand shows fluid

Explanation

The flowmeter on the MJ-2A-1 hydraulic test stand is used to measure the flow of fluid in the return system. It is not used to measure the fluid pressure in either the return system or the high pressure system. Therefore, the correct answer is "flow in the return system."

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107. What component on the New Generation Heater activates the heater control unit(HCU)?  

Explanation

The correct answer is the Heater Control Switch. This component is responsible for activating the heater control unit (HCU) in the New Generation Heater. It controls the flow of electricity to the HCU, allowing it to turn on and off the heater as needed. The Heater Control Switch is an essential part of the heating system and plays a crucial role in regulating the temperature in the heater.

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108. After discovery of a deficiency, A Category 1 Product Quality Deficiency Report (PQDR) must be submitted to the screening point within

Explanation

The correct answer is 24 hours. After the discovery of a deficiency, a Category 1 Product Quality Deficiency Report (PQDR) must be submitted within 24 hours to the screening point. This prompt action is necessary to ensure that the deficiency is addressed promptly and appropriate measures are taken to rectify the issue. Waiting longer than 24 hours could result in delays in resolving the deficiency, potentially leading to further complications or negative impacts on product quality.

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109. A good solder cup connection shows the

Explanation

A good solder cup connection shows the contour of the wire, meaning that the wire is properly seated and aligned within the solder cup. This ensures a secure and reliable connection between the wire and the cup, preventing any potential loose or weak connections. The contour of the wire also indicates that the insulation is properly stripped and the correct amount of solder flux is applied, further enhancing the quality of the solder joint.

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110. While troubleshooting the GTC, you find no oil pressure and the oil filter is dirty.  Will changing the filter correct the problem?

Explanation

The correct answer is "No, The oil pressure relief valve is stuck open." This is because the oil pressure relief valve is responsible for regulating the oil pressure in the engine. If it is stuck open, it will not allow the oil pressure to build up, regardless of whether the oil filter is dirty or not. Changing the filter will not correct the problem as the root cause lies with the stuck open relief valve.

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111. Opposition of a capacitor to alternation current (AC) is called

Explanation

Capacitive reactance refers to the opposition that a capacitor offers to alternating current (AC). When an AC signal is applied to a capacitor, it causes the capacitor to charge and discharge repeatedly, resulting in the opposition to the flow of current. This opposition is known as capacitive reactance. It is measured in ohms and is inversely proportional to the frequency of the AC signal and the capacitance of the capacitor. Capacitive reactance is an important concept in AC circuit analysis and is used to calculate the overall impedance of a circuit.

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112. Which troubleshooting aid is designed to aid you in finding components on a diagram?

Explanation

Zones are a troubleshooting aid designed to aid you in finding components on a diagram. Zones divide a diagram into different sections, making it easier to locate specific components or areas of interest. By referring to the zone numbers or labels, technicians can quickly navigate the diagram and identify the desired components, saving time and effort during troubleshooting processes.

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113. The heat that changes the state of a substance, yet does not affect the temperature is called

Explanation

Latent heat refers to the heat that is absorbed or released during a phase change of a substance, such as melting or vaporization, without a change in temperature. It is the energy required to break or form intermolecular bonds between particles. This heat is "hidden" or "latent" because it is not reflected in a change in temperature, but rather in a change of state.

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114. To start the self generating nitrogen servicing cart (SGNSC) the operator must place the ignition switch in the start position for no more than

Explanation

The correct answer is 10 seconds. This is the maximum amount of time that the operator should place the ignition switch in the start position in order to start the self generating nitrogen servicing cart (SGNSC). Placing the switch for longer than 10 seconds may result in damage to the equipment or cause other issues.

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115. The weak points of the self-excited AC generator are the

Explanation

The weak points of a self-excited AC generator are the brushes, slip rings, and commutator. These components are subject to wear and tear due to the friction and electrical arcing that occurs during operation. The brushes make contact with the slip rings and transfer the electrical current, while the commutator helps to maintain the direction of the current. Over time, the brushes can become worn or damaged, and the slip rings and commutator can develop pitting or become misaligned, leading to decreased performance or failure of the generator.

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116. The flowmeter on the MJ-2A-1 hydraulic test stand shows fluid

Explanation

The correct answer is "flow in the return system." This means that the flowmeter on the MJ-2A-1 hydraulic test stand is measuring the flow of fluid in the return system, which is the system that carries the fluid back to the reservoir after it has been used in the high pressure system.

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117. The primary function of a nut is to

Explanation

The primary function of a nut is to transmit the full design load to the adjoined member. Nuts are used in conjunction with bolts to secure two or more objects together. They create a threaded connection that allows for the transfer of force between the bolt and the adjoined member. By tightening the nut onto the bolt, the load is evenly distributed and transmitted to the connected object, ensuring a secure and stable connection.

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118. When using an A/M24T-8 electrical test set, when should the frequency and voltage selector switch be positioned to match input power?

Explanation

The frequency and voltage selector switch should be positioned to match input power before applying power to the test set. This ensures that the test set is set to the correct frequency and voltage before it is powered on, preventing any potential damage or incorrect readings.

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119. On the A/M32-60A which chambers of the load control valve work together to ensure the butterfly valve opens smoothly?

Explanation

Chambers 2 and 4 work together to ensure the butterfly valve opens smoothly on the A/M32-60A load control valve.

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120. What does the AC regulator of the A/M32A-60 use to determine the amount of adjustment the generator output needs?

Explanation

The AC regulator of the A/M32A-60 uses the generator output voltage to determine the amount of adjustment needed. This means that the regulator monitors the voltage being produced by the generator and makes adjustments accordingly to ensure that the output voltage remains at the desired level. By using the generator output voltage as a reference, the regulator can effectively control and stabilize the output of the generator.

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121. What component on the MA-3D air conditioner shuts off the compressors when refrigerant pressure entering the evaporator coil reaches 5 psi?

Explanation

The temperature controller is the component on the MA-3D air conditioner that shuts off the compressors when the refrigerant pressure entering the evaporator coil reaches 5 psi. This is because the temperature controller is designed to monitor and regulate the temperature in the system, and when the pressure reaches a certain level, it indicates that the desired temperature has been achieved and the compressors can be shut off to prevent overcooling.

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122. After the refrigerant leaves the compressor on the MA-#D air conditioner, it flows through the 

Explanation

After the refrigerant leaves the compressor, it enters the condenser coils. The condenser coils are responsible for releasing heat from the refrigerant to the surrounding air. As the hot refrigerant flows through the condenser coils, it cools down and condenses into a liquid state. This process is essential for the refrigeration cycle as it allows the refrigerant to release the heat it absorbed from the indoor environment. Therefore, the correct answer is condenser coils.

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123. Air Force Technical Order (AFTO) Form 350 serves as

Explanation

The Air Force Technical Order (AFTO) Form 350 is used as an identification and status tag. This means that it is used to identify and track the status of a particular item or equipment. It is not used as a processing label or marking tag, but rather as a means of identifying and keeping track of the status of the item.

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124. What component on the MA-3D air conditioner shuts off the compressors when refrigerant pressure entering the evaporator coil reaches 5 psi?

Explanation

The temperature controller is responsible for shutting off the compressors when the refrigerant pressure entering the evaporator coil reaches 5 psi. It monitors the pressure and activates the necessary controls to maintain the desired temperature. The other options, such as the low pressure cutout, temperature control switch, and high pressure cutout, may have different functions but are not specifically designed to shut off the compressors based on refrigerant pressure.

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125. Which IMDS screen is used to access all maintenance historical data against a particular job control number?

Explanation

Screen 122 is used to access all maintenance historical data against a particular job control number in IMDS. This screen provides detailed information about the maintenance history of a specific job control number, allowing users to track and analyze past maintenance activities and their outcomes. It is a valuable tool for evaluating the effectiveness of maintenance procedures and identifying any recurring issues or patterns.

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126. In order for the A/M32A-86D to host a transformer rectifier, it must have a

Explanation

The A/M32A-86D requires a JHAR100B model voltage regulator in order to host a transformer rectifier.

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127. What section of the Illustrated Parts Breakdown (IPB) contains an explanation of the coding used in the IPB?

Explanation

Section I. Introduction is the correct answer because the introduction section of the Illustrated Parts Breakdown (IPB) typically provides an overview and explanation of the coding system used in the IPB. This section helps users understand the symbols, abbreviations, and other coding conventions used throughout the IPB, making it easier to navigate and interpret the information in the document.

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128. What is the total resistance of a parallel circuit with branch voltages of 440v and 440v and branch currents of 4a and 16a?

Explanation

In a parallel circuit, the total resistance is calculated using the formula 1/Rt = 1/R1 + 1/R2 + 1/R3 + ... where Rt is the total resistance and R1, R2, R3, etc. are the individual resistances of the branches. In this case, the branch voltages are the same, indicating that the branches have equal resistance. The branch currents, however, are different. Using the formula V = IR, we can calculate the resistance of each branch. The first branch has a resistance of 440v/4a = 110 ohms, and the second branch has a resistance of 440v/16a = 27.5 ohms. Adding these two resistances together gives us a total resistance of 137.5 ohms. However, since the branches are in parallel, we need to take the reciprocal of this value to find the total resistance, which is approximately 0.00727 ohms. Rounding this to the nearest whole number, we get the correct answer of 22 ohms.

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129. On an A/M24T-8 electrical test set, what would prevent the fan motors from operating?

Explanation

A defective power supply rectifier would prevent the fan motors from operating on an A/M24T-8 electrical test set. The power supply rectifier is responsible for converting AC power to DC power, which is necessary for the operation of the fan motors. If the rectifier is defective, it would not be able to properly convert the power, resulting in the fan motors not receiving the necessary power to operate.

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130. Which inspection may be either scheduled or unscheduled?

Explanation

A special inspection may be either scheduled or unscheduled. This type of inspection is typically conducted for specific reasons such as investigating a complaint, verifying compliance with regulations, or addressing a specific concern. Unlike periodic inspections which occur at regular intervals, special inspections are more flexible and can be arranged as needed. Therefore, the correct answer is "Special."

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131. What is the total current in a series-parallel circuit that has a total voltage or 48 volts, a series current of 6 amps, one branch current of 2A, and the other branch resistance of 3 ohms?

Explanation

In a series-parallel circuit, the total current is equal to the sum of the currents in each branch. In this case, one branch has a current of 2A and the other branch has a series current of 6A. Therefore, the total current is 2A + 6A = 8A.

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132. The component most likely to be damaged by cleaning solvent is the 

Explanation

Cleaning solvents can cause damage to the brushes in a component. When cleaning solvents come into contact with the brushes, they can dissolve the insulation on the brushes, leading to electrical shorts or reduced performance. This can result in the brushes wearing out faster or even becoming completely ineffective. Therefore, the brushes are the component most likely to be damaged by cleaning solvents.

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133. A Silicone Controlled Rectifier (SCR) is mainly used as

Explanation

An SCR, or Silicone Controlled Rectifier, is a semiconductor device that can control the flow of electric current. It acts as an electronic switch in a circuit, allowing or blocking the current flow depending on the control signal applied to it. Unlike a fuse or circuit breaker, which are used for protection against overcurrent or short circuits, an SCR is primarily used for switching applications. It can handle high voltages and currents, making it suitable for controlling power to various devices and systems.

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134. What is the relationship between the settings of the high pressure relief valve and the pressure compensator on the MJ-2A-1 hydraulic test stand?

Explanation

The relationship between the settings of the high pressure relief valve and the pressure compensator on the MJ-2A-1 hydraulic test stand is that the relief valve is set 300 psi above the required test setting. This means that the relief valve will open and release excess pressure when the pressure exceeds 300 psi above the desired test setting, ensuring that the system does not experience overpressure.

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135. Total current in a series circuit is equal to the

Explanation

In a series circuit, the current through each component is the same. Therefore, the total current in the circuit is equal to the current through one component.

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136. In the MJ-2A-1 hydraulic test stand, the output volume of the high pressure pump is controlled by the

Explanation

The correct answer is volume control because in the MJ-2A-1 hydraulic test stand, the output volume of the high pressure pump is controlled by the volume control. This means that the volume of hydraulic fluid being pumped by the high pressure pump can be adjusted and regulated using the volume control mechanism. The other options mentioned, such as the flowmeter assembly, flow control valve, and angle of the camplate, may have their own roles in the hydraulic system, but they do not directly control the output volume of the high pressure pump.

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137. The load section of the load control valve consists of

Explanation

The load section of the load control valve consists of chambers 1 and 2. This means that these two chambers are responsible for controlling the load in the valve. The load control valve is designed to regulate the amount of pressure or flow in a hydraulic system, and chambers 1 and 2 play a crucial role in this process. They work together to adjust the valve's position and control the flow of fluid, allowing for precise load control in the system.

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138. What component of the A/M32A-60A stops the engine when the fuel supply gets low?

Explanation

The fuel level relay, K4, is responsible for stopping the engine when the fuel supply gets low. It acts as a control device that monitors the fuel level and sends a signal to shut off the engine when it reaches a certain threshold. This helps prevent damage to the engine and ensures that it does not run out of fuel.

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139. The amount of heat required to raise the temperature of one pound of a substance one degree Fahrenheit is known as 

Explanation

The correct answer is specific heat. Specific heat refers to the amount of heat energy needed to raise the temperature of a given substance by one degree Fahrenheit. It is a characteristic property of a substance and is usually measured in units of calories per gram per degree Celsius or joules per gram per degree Celsius. It helps determine how much heat is required to heat or cool a substance and is important in various fields such as thermodynamics and engineering.

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140. What types of fittings are designed for pressure systems below 3000 pounds per square inch (psi)?

Explanation

Flareless fittings are designed for pressure systems below 3000 psi. These fittings do not require flaring or soldering and provide a reliable and leak-free connection. They are commonly used in applications where frequent disconnections and reconnections are required, such as in hydraulic systems. Flareless fittings have a ferrule that compresses onto the tubing, creating a tight seal. They are known for their ease of installation and versatility, making them suitable for various industries and applications.

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141. Which IMDS screen is used to create, add, and schedule events for equipment?

Explanation

Screen 073 is used to create, add, and schedule events for equipment in IMDS. This screen likely provides users with a form or interface where they can input details about the event, such as the equipment involved, the date and time of the event, and any additional information or notes. Users can then submit this information to schedule the event and ensure proper maintenance and tracking of equipment within the IMDS system.

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142. To test the load contactor, K1, using thest probes, the automatic-manual voltage control switch must be in which position?

Explanation

To test the load contactor, K1, using the test probes, the automatic-manual voltage control switch must be in the AUTOMATIC position. This is because the automatic position allows for the automatic control of voltage, which is necessary for accurately testing the load contactor. The other positions (OFF, MANUAL, and TEST) do not provide the necessary voltage control for testing the load contactor.

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143. Which induction motor has the highest starting torque?

Explanation

The capacitive-start induction motor has the highest starting torque among the given options. This type of motor uses a capacitor in series with the starting winding to create a phase shift between the main winding and the starting winding. This phase shift helps in generating a higher starting torque, making it suitable for applications where high starting torque is required. Split-phase, shaded pole, and squirrel cage motors have lower starting torques compared to the capacitive-start motor.

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144. The refrigerant on the air conditioner is always removed through the

Explanation

The receiver outlet valve is the correct answer because it is responsible for removing the refrigerant from the air conditioner. The receiver outlet valve is typically located at the outlet of the receiver, which is a storage tank for the refrigerant. When the refrigerant needs to be removed from the system, it flows out through the receiver outlet valve. This valve helps to regulate the flow of refrigerant and ensures that it is properly removed from the air conditioner.

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145. What is the fluid capacity and system pressure of the hydraulic pump on the B-6, 10 ton hydraulic tripod jack?

Explanation

The correct answer is 1.1 gallons at 2235 psi. This means that the fluid capacity of the hydraulic pump on the B-6, 10 ton hydraulic tripod jack is 1.1 gallons, and the system pressure is 2235 psi.

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146. The DC voltmeter of the A/M32A-60A starts indicating as soon as the

Explanation

When the AC system is reset, the DC voltmeter of the A/M32A-60A starts indicating. This suggests that the DC voltmeter is connected to the AC system in some way, and when the AC system is reset, it triggers the DC voltmeter to start indicating. It is important to note that the other options (DC contactor is closed, DC system is reset, AC contactor is closed) do not mention any connection with the AC system, which is why they are not the correct answer.

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147. On the MC-2A rotary sliding vane compressor, the minimum pressure valve does all the following except

Explanation

The minimum pressure valve on the MC-2A rotary sliding vane compressor is responsible for several functions, including ensuring minimum pressure in the oil chamber, ensuring minimum pressure to the felt pads, and preventing receiver air from flowing back to the compressor. However, it does not play a role in ensuring minimum pressure to the condensate drain.

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148. When operating the New Generation Heater, turn the heat control switch to the desired position after

Explanation

The correct answer is "system voltage rises to 120 VAC." This means that the heat control switch should be turned to the desired position only after the system voltage has reached 120 VAC. This ensures that the heater is properly powered and ready to operate at the desired temperature. The other options mentioned, such as ample warm-up time and the inside temperature reaching 140 degrees Fahrenheit, may be important factors to consider but they are not the specific condition mentioned in the answer.

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149. What technical Order (TO) gives information on preparing equipment for shipment?

Explanation

not-available-via-ai

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150. How does rectification take place in brushless AC generator?

Explanation

Rectification in a brushless AC generator occurs electrically. In this type of generator, rectification is achieved by using diodes to convert the alternating current (AC) produced by the generator into direct current (DC). The diodes allow the current to flow in only one direction, effectively converting the AC to DC. This rectified DC current can then be used to power various electrical devices or stored in batteries for later use.

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151. On the basic rotary compressor, what prevents air from leaving the discharge port while the intake port is taking air in?

Explanation

The sliding barrier prevents air from leaving the discharge port while the intake port is taking air in on the basic rotary compressor. This barrier moves along with the rotation of the compressor and creates a seal between the discharge port and the intake port, ensuring that air flows in the desired direction and does not escape through the discharge port.

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152. What part of an AC generator provides a connection between the rotating and stationary parts?

Explanation

Slip rings are the correct answer because they provide a connection between the rotating and stationary parts of an AC generator. They are metal rings that are mounted on the rotor shaft and make continuous contact with brushes, allowing the flow of electrical current between the rotating armature and the stationary external circuit. This connection enables the transfer of electrical energy from the rotating part of the generator to the stationary part, allowing for the generation of alternating current.

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153. The temperature controller on the MA-3D air conditioner modulates the water flow through what component during low ambient air temperatures?

Explanation

During low ambient air temperatures, the temperature controller on the MA-3D air conditioner modulates the water flow through the aftercooler coil. The aftercooler coil is responsible for cooling down the air that passes through it, and by adjusting the water flow, the temperature controller can regulate the cooling process to maintain the desired temperature in the air conditioner.

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154. Which could cause the butterfly valve to oscillate (continually open and close)?

Explanation

A pneumatic thermostat is designed to regulate the flow of air or gas in a system based on temperature changes. If the pneumatic thermostat is not functioning properly, it could send incorrect signals to the butterfly valve, causing it to open and close rapidly. This oscillation can lead to instability in the system and potentially disrupt the flow of fluid or gas.

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155. An expected usage level is established for all bench items except

Explanation

The expected usage level is established for all bench items, except for unit package items. This means that the usage level is determined and planned for items such as single issue items, special requisition items, and reparable items. However, for unit package items, the expected usage level is not established.

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156. Output phase to phase voltage on three-phase AC generator is always

Explanation

The output phase to phase voltage on a three-phase AC generator is always 208 volts. This is because in a three-phase system, the voltage between any two phases is equal to the line-to-line voltage. In a balanced three-phase system, the line-to-line voltage is equal to the phase voltage multiplied by the square root of 3, which is approximately 1.732. Therefore, if the phase voltage is 120 volts, the line-to-line voltage (or phase to phase voltage) would be 120 volts multiplied by 1.732, which equals approximately 208 volts.

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157. If you need to find out how to perform any maintenance required during an inspection, you should refer to the

Explanation

If you need to find out how to perform any maintenance required during an inspection, you should refer to the PE workcards. These workcards contain the methods and procedures for conducting inspections and performing maintenance tasks. They provide step-by-step instructions on what needs to be done and how to do it correctly. By referring to the PE workcards, you can ensure that you are following the correct procedures and performing the necessary maintenance tasks during an inspection.

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158. Which component is one of the major causes of failure in the DC motor?

Explanation

The commutator is one of the major causes of failure in a DC motor. The commutator is responsible for transferring electrical current to the rotor, which allows the motor to rotate. Over time, the commutator can wear out or become dirty, leading to poor electrical contact and reduced motor performance. This can result in motor failure or decreased efficiency. Regular maintenance and cleaning of the commutator can help prevent failure and prolong the lifespan of the DC motor.

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159. What is the capacity of the overflow tank on the oil cart?

Explanation

The capacity of the overflow tank on the oil cart is 2 gallons.

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160. Which AFI serves the purpose of identifying basic Air Force subjects and assigned publication numbers?

Explanation

AFI 33-360 serves the purpose of identifying basic Air Force subjects and assigned publication numbers. This AFI provides guidance on how to develop, publish, distribute, and maintain Air Force publications. It outlines the procedures for assigning publication numbers and ensures consistency and standardization across the Air Force. By following AFI 33-360, personnel can easily identify and locate the necessary Air Force publications related to specific subjects.

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161. A zener being used as a regulator must have a resistor placed in the circuit in

Explanation

When a zener diode is used as a regulator, it is typically connected in series with a resistor. This configuration allows the zener diode to regulate the voltage across the load. The resistor limits the current flowing through the zener diode, ensuring that it operates within its specified range. Therefore, the correct answer is "series."

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162. During the operation of the EPU-6/E frequency converter the operator determines that one phase voltage is lower than the other two phases.  What could cause this malfunction?

Explanation

A loose push-on connector on the output filter capacitor could cause one phase voltage to be lower than the other two phases. When the connector is loose, it may not provide a secure connection between the capacitor and the phase, resulting in a decrease in voltage. This can lead to an imbalance in the system, causing one phase to have a lower voltage compared to the others.

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163. The transistor circuit that provides the main path for current flow is the

Explanation

The emitter-collector circuit is the transistor circuit that provides the main path for current flow. In this circuit configuration, the emitter is connected to the positive terminal of the power supply, and the collector is connected to the negative terminal. The emitter-collector circuit allows a large amount of current to flow from the emitter to the collector when the transistor is in the active region. This configuration is commonly used in amplifiers and switching circuits, where the transistor acts as a current amplifier.

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164. The purpose of the cooing system thermostat is to maintain correct engine

Explanation

The purpose of the cooling system thermostat is to regulate and maintain the correct coolant temperature in the engine. It does this by opening and closing to control the flow of coolant through the system. The thermostat helps to ensure that the engine operates at an optimal temperature for efficient combustion and to prevent overheating or excessive cooling. By maintaining the correct coolant temperature, the thermostat helps to protect the engine from damage and ensures its proper functioning.

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165. Which of these covers the concept and management of the USAF Technical Order system?

Explanation

not-available-via-ai

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166. You observe low cabin pressure reading during operation of the AF/M32T-1 cabin leakage tester a probable cause could be defective

Explanation

A defective rate valve could be a probable cause for the observed low cabin pressure reading during the operation of the AF/M32T-1 cabin leakage tester. The rate valve controls the flow of air and regulates the pressure in the cabin. If it is defective, it may not be able to maintain the desired pressure, resulting in low cabin pressure readings.

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167. The transistor circuit that provides the main path for current flow is the 

Explanation

The emitter-collector circuit is the transistor circuit that provides the main path for current flow. In this circuit configuration, the emitter is connected to the power supply, while the collector is connected to the load. When a small current flows into the base, it controls a much larger current flowing from the emitter to the collector. This configuration allows for amplification of the input signal, making it an important circuit in transistor applications such as amplifiers and switches.

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168. On the MC-2A rotary sliding vane compressor, what forces the oil through the oil cooler?

Explanation

The second stage air pressure forces the oil through the oil cooler in the MC-2A rotary sliding vane compressor. This is because the second stage air pressure creates a pressure differential that pushes the oil through the cooler, ensuring that it is properly cooled before being circulated back into the compressor for lubrication.

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169. On the A/M32A-60A, the ignition coil is energized by the

Explanation

The correct answer is the oil pressure switch. The oil pressure switch is responsible for energizing the ignition coil on the A/M32A-60A. This switch detects the oil pressure in the system and activates the ignition coil accordingly. It ensures that the ignition system is only powered when there is sufficient oil pressure, which is crucial for the proper functioning of the engine.

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170. A metal oxide varistor (MOV) is made up of how many semi-conductors

Explanation

An MOV is made up of two semi-conductors. This is because an MOV is a voltage-dependent resistor that is primarily composed of a ceramic material with two layers of semiconducting material. These layers create a junction that allows the MOV to conduct electricity when a voltage above its threshold is applied. The two semi-conductors work together to regulate and absorb excessive voltage spikes, protecting electronic devices from damage.

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171. The control junction of a transistor is the

Explanation

The control junction of a transistor is the emitter-base junction because it is responsible for controlling the flow of current in the transistor. The emitter-base junction acts as a barrier to the flow of current until a small voltage is applied to the base terminal. This voltage allows current to flow from the emitter to the base, thus controlling the larger current flow from the collector to the emitter. Therefore, the emitter-base junction plays a crucial role in controlling the transistor's operation.

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172. Which Method and Procedures Technical Order (MPTO) series contains miscellaneous information such as static grounding?

Explanation

The 00-25 series of the Method and Procedures Technical Order (MPTO) contains miscellaneous information such as static grounding.

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Diagonal cutting pliers are designed to cut  
The magnetism that remains after the magnetizing force has been...
If you must push a wrench rather than pull it, how should you do it?
What medium is used to cool the MC-2A rotary vane compressor?
When using a troubleshooting chart, what are you not likely to find?
What medium is used to cool the MC-2A rotary vane compressor?
The type of injector that is operated by a rocker arm is the
Torque is defined as
The area around a magnet where its influence can be felt is the...
What technical order contains the periodic inspection section?
What technical order (TO) contains the periodic inspection (PE)...
What component on the self generating nitrogen service cart (SGNSC)...
How often are service inspections required?
After shutdown a motor continues turning; this is known as  
How often are service inspections required?
The responsibility of a person to make good any loss, destruction, or...
The best step in preventing abnormal amounts of carbon, moisture, and...
What medium is used to cool the MC-2A rotary vane compressor?
The Principle behind all electromechanical generation is
What controls the speed of retraction of the hydraulic cylinder...
The responsibility of a person to make good any loss, destruction, or...
Replacement hardware decisions are based on
A good refrigerant would  
The stator windings of a synchronous motor are wound
When using a troubleshooting chart, what are you not likely to...
Expanding or contraction the depletion region of a diode is called
What controls the speed of retraction of the hydraulic cylinder...
What controls the speed of retraction of the hydraulic cylinder...
Expanding or contracting the depletion region of a diode is called
Expanding or contracting the depletion region of a diode is called
During a gas turbine engine operation, the air is accelerated by the
Which procedure should you always observe when working with...
If the unit technical order (TO) and workcards conflict during an...
"The flow or drift of electrons through a conductor" in the same...
Oil in the rotary vane compressor
Which procedure should you always observe when working with...
Which time compliance technical order (TCTO) has circled red X's...
Which time compliance technical orders (TCTO) has circled red X's...
What maximum AC resistive load can be portable load bank apply to a...
If the unit technical order (TO) and workcards conflict during an...
Which time compliance technical orders (TCTO) has circled red X's...
Which causes gray or white smoke to pour from the exhaust stack on the...
The first step of troubleshooting heating equipment is  
Given a voltage of 24 volts and a resistance of 18 ohms in a series...
The first step of troubleshooting heater equipment is
Heat added to a gaseous substance is known as  
The three-phase induction motor does not require
The best method of repairing a lifted circuit track on a printed...
Which time compliance TCTO has circled red X's with alternately...
What is the condition of the component bearing a red tag?
What color code is given to pre-insulated terminals that can be used...
After depot has repaired an item, they send copies of the Air Force...
The self generating nitrogen servicing cart (SGNSC) is categorized as...
The size of a screwdriver is determined by the shank
What component of the A/M32A-86D energizes to send power to the fuel...
What component of the A/M32A-86D energizes to send power to the fuel...
The effect of noise depends on the
What component of the A/M32A-86D energizes to send power to the fuel...
"Dielectric" is the term used for
A diode placed in a circuit in reverse bias is being used as
A material deficiency exhibit tag can be identified by it's
In a simple generator, which would be the most difficult method to...
The maximum amperage load the transformer rectifier pack can maintain...
How many junctions are check to test the serviceability of a...
A heat sink is used in soldering to
Total current in a series parallel circuit remains the same throughout...
In a simple generator, which would be the most difficult method to...
What is the approximate operating voltage of a light emitting diode...
The Integrated Maintenance Data System (IMDS) concept of using...
Which maintenance levels are referred to as field maintenance?
Lubrication system pressure in the turbine engine is regulated through...
What component uses voltage to control the size of the current flow...
Which part of the torque wrench scale is normally not used?
When you check the concentricity of a commutator or slips rings, look...
Lubrication system pressure in the turbine engine is regulated through...
When filling and bleeding the system of the MJ-2A-1 hydraulic test...
How many junctions are checked to test the serviceability of a...
What are the two classes of Air Force publications?
Total current in a series parallel circuit remains the same throughout...
What component on the MA-3D air conditioner allows the operator to...
In a series-wound DC motor, speed is controlled by the
The maximum amperage load the transformer rectifier pack can maintain...
To charge the reciever on the MC-2A air compressor, ensure the air...
In a brushless AC generator, what provides the field current for the...
How long can you operate the starter on the A/M32A-86D before letting...
What prevents over pressurization of the steering system of the MJ-1B...
Which step in utilizing the Integrated Maintenance Data System (IMDS)...
The valves on a reciprocating compressor are operated by
On the A/M32A-60A generator, the starter motor relay is deenergized...
While troubleshooting the GTC, you find no oil pressure and the oil...
What determines the amount of potential required to forward bias a...
On the A/M32A-60A generator, the starter motor relay is deenergized...
Which time compliance technical order (TCTO) are issued to correct...
Preventative maintenance for corrosion includes
In a parallel circuit, the total voltage is equal to the
What position must the alarm switch on the EPU-6/E frequency converter...
What determines the amount of potential required to forward bias a...
How many valence electrons are needed to make a good conductor? ...
What component uses voltage to control the size of the current flow...
The potential difference between two points in a circuit that exerts a...
In a parallel circuit, the total voltage is equal to the
In a brushless AC generator, what provides the gield current for the...
What is the most commonly used type of tubing in AGE applications?
The type of inspection that requires the most tear down of specific...
The valves on a reciprocating compressor are operated by
The flowmeter on the MJ-2A-1 hydraulic test stand shows fluid
What component on the New Generation Heater activates the heater...
After discovery of a deficiency, A Category 1 Product Quality...
A good solder cup connection shows the
While troubleshooting the GTC, you find no oil pressure and the oil...
Opposition of a capacitor to alternation current (AC) is called
Which troubleshooting aid is designed to aid you in finding components...
The heat that changes the state of a substance, yet does not affect...
To start the self generating nitrogen servicing cart (SGNSC) the...
The weak points of the self-excited AC generator are the
The flowmeter on the MJ-2A-1 hydraulic test stand shows fluid
The primary function of a nut is to
When using an A/M24T-8 electrical test set, when should the frequency...
On the A/M32-60A which chambers of the load control valve work...
What does the AC regulator of the A/M32A-60 use to determine the...
What component on the MA-3D air conditioner shuts off the compressors...
After the refrigerant leaves the compressor on the MA-#D air...
Air Force Technical Order (AFTO) Form 350 serves as
What component on the MA-3D air conditioner shuts off the compressors...
Which IMDS screen is used to access all maintenance historical data...
In order for the A/M32A-86D to host a transformer rectifier, it must...
What section of the Illustrated Parts Breakdown (IPB) contains an...
What is the total resistance of a parallel circuit with branch...
On an A/M24T-8 electrical test set, what would prevent the fan motors...
Which inspection may be either scheduled or unscheduled?
What is the total current in a series-parallel circuit that has a...
The component most likely to be damaged by cleaning solvent is...
A Silicone Controlled Rectifier (SCR) is mainly used as
What is the relationship between the settings of the high pressure...
Total current in a series circuit is equal to the
In the MJ-2A-1 hydraulic test stand, the output volume of the high...
The load section of the load control valve consists of
What component of the A/M32A-60A stops the engine when the fuel supply...
The amount of heat required to raise the temperature of one pound of a...
What types of fittings are designed for pressure systems below 3000...
Which IMDS screen is used to create, add, and schedule events for...
To test the load contactor, K1, using thest probes, the...
Which induction motor has the highest starting torque?
The refrigerant on the air conditioner is always removed through the
What is the fluid capacity and system pressure of the hydraulic pump...
The DC voltmeter of the A/M32A-60A starts indicating as soon as the
On the MC-2A rotary sliding vane compressor, the minimum pressure...
When operating the New Generation Heater, turn the heat control switch...
What technical Order (TO) gives information on preparing equipment for...
How does rectification take place in brushless AC generator?
On the basic rotary compressor, what prevents air from leaving the...
What part of an AC generator provides a connection between the...
The temperature controller on the MA-3D air conditioner modulates the...
Which could cause the butterfly valve to oscillate (continually open...
An expected usage level is established for all bench items except
Output phase to phase voltage on three-phase AC generator is always
If you need to find out how to perform any maintenance required during...
Which component is one of the major causes of failure in the DC motor?
What is the capacity of the overflow tank on the oil cart?
Which AFI serves the purpose of identifying basic Air Force subjects...
A zener being used as a regulator must have a resistor placed in the...
During the operation of the EPU-6/E frequency converter the operator...
The transistor circuit that provides the main path for current flow is...
The purpose of the cooing system thermostat is to maintain correct...
Which of these covers the concept and management of the USAF Technical...
You observe low cabin pressure reading during operation of the...
The transistor circuit that provides the main path for current flow is...
On the MC-2A rotary sliding vane compressor, what forces the oil...
On the A/M32A-60A, the ignition coil is energized by the
A metal oxide varistor (MOV) is made up of how many semi-conductors
The control junction of a transistor is the
Which Method and Procedures Technical Order (MPTO) series contains...
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