Viper Apg 5 Air Force’s Maintenance

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About This Quiz

This quiz focuses on the Viper APG 5 Air Force's maintenance protocols. It assesses knowledge on supply discipline, maintenance capabilities, preventive maintenance, and personnel training visibility. Essential for supervisors and technicians in aerospace and military operations.

Viper Apg 5 Air Forces Maintenance - Quiz

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  • 2. 

    A liquid fire extinguishing agent douses a fire by

    • Releasing a fine mist wapor

    • Excluding oxygen from the area

    • Removing nitrogen from the area

    • Dispersing a large amount of liquid

    Correct Answer
    A. Excluding oxygen from the area
    Explanation
    A liquid fire extinguishing agent douses a fire by excluding oxygen from the area. Oxygen is necessary for combustion to occur, so by removing or reducing the presence of oxygen, the fire is deprived of its fuel source and is extinguished. This can be achieved by creating a barrier between the fire and the surrounding air, preventing oxygen from reaching the flames.

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  • 3. 

    What safety training phase is described as an effective tool that creates a lasting impression for new Airmen?

    • Initial

    • General

    • Supervisor's

    • Sustained job safety

    Correct Answer
    A. Initial
    Explanation
    The initial safety training phase is described as an effective tool that creates a lasting impression for new Airmen. This phase is likely to cover the basics of safety procedures and protocols, emphasizing the importance of safety in their roles. By providing comprehensive and impactful training at the beginning of their careers, new Airmen are more likely to develop a strong foundation in safety practices, which can contribute to a safer work environment overall.

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  • 4. 

    The recommended procedure for cooling an overheated brake assembly is to park the aircraft in an isolated location and then

    • Spray with cold water.

    • Cool with forced air from a blower

    • Cool with high-pressure compressed air

    • Allow the assembly to cool in the ambient air

    Correct Answer
    A. Allow the assembly to cool in the ambient air
    Explanation
    The recommended procedure for cooling an overheated brake assembly is to allow the assembly to cool in the ambient air. This means that the aircraft should be parked in a location where there is no immediate danger or risk of fire, and the brakes should be left to cool down naturally without any external intervention. This method allows for a gradual decrease in temperature and prevents any potential damage that could be caused by rapidly cooling the brakes with water or compressed air.

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  • 5. 

    When launching an aircraft containing live ammunition, who is responsible for removing the safety devices associated with these explosive devices?

    • Crew Chief

    • Flight engineer

    • Weapons personnel

    • Only senior personnel on special orders

    Correct Answer
    A. Weapons personnel
    Explanation
    Weapons personnel are responsible for removing the safety devices associated with explosive devices when launching an aircraft containing live ammunition. This is because they are specifically trained in handling and managing weapons and explosives. Their expertise and knowledge ensure that the safety devices are properly removed without any mishaps or accidents during the launch process.

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  • 6. 

    Who is responsible for FOD prevention?

    • Logistics and operations group commanders

    • Immediate supervisor

    • Wing commander

    • Everyone

    Correct Answer
    A. Everyone
    Explanation
    FOD (Foreign Object Debris) prevention is a collective responsibility that involves everyone in an organization. It is not limited to a specific group or individual. FOD can cause damage to aircraft, equipment, and pose safety risks, so it is crucial for everyone to be vigilant and take necessary actions to prevent FOD. Therefore, the correct answer is "Everyone".

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  • 7. 

    The pressure in a fire extinguisher is within a safe operating range when the gauge needle is within the

    • Red markings

    • Black markings

    • Green markings

    • Orange markings

    Correct Answer
    A. Green markings
    Explanation
    The green markings indicate the safe operating range for the pressure in a fire extinguisher. This means that when the gauge needle is within the green markings, the pressure is at an appropriate level for effective and safe use of the extinguisher. Being within this range ensures that the extinguisher will function properly and be able to effectively suppress a fire.

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  • 8. 

    During an aircraft tow, who is authorized to give the “all clear to move” order?

    • Supervisor or vehicle operator

    • Supervisor or brake operator

    • Supervisor or wing walkers

    • Supervisor only

    Correct Answer
    A. Supervisor only
    Explanation
    The correct answer is "Supervisor only." During an aircraft tow, only the supervisor is authorized to give the "all clear to move" order. This is because the supervisor has the overall responsibility and authority to ensure the safety of the aircraft tow operation. The supervisor is responsible for coordinating and overseeing the entire process, including communicating with the vehicle operator, brake operator, and wing walkers. Therefore, the supervisor is the only person who can give the final clearance for the aircraft to move.

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  • 9. 

    What type of jack is normally used to change a tire on an aircraft?

    • Tail

    • Axle

    • Nose

    • Fixed-height

    Correct Answer
    A. Axle
    Explanation
    The correct answer is "Axle". When changing a tire on an aircraft, an axle jack is typically used. This type of jack is designed to lift the aircraft by the axle, allowing for the safe and efficient removal and replacement of the tire. Axle jacks are specifically designed for this purpose and are commonly used in aircraft maintenance operations.

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  • 10. 

    What term describes current that reverses its direction at regularly recurring intervals?

    • Direct

    • Inductive

    • Reversing

    • Alternating

    Correct Answer
    A. Alternating
    Explanation
    Alternating current (AC) is a type of electric current that reverses its direction at regularly recurring intervals. This means that the flow of electric charge periodically changes direction, moving back and forth. AC is commonly used in homes and businesses for electrical power transmission and distribution, as it is more efficient for long-distance transmission. It is also used in many electronic devices, such as appliances and electronics, as it allows for the easy transformation of voltage levels.

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  • 11. 

    The three states of matter are

    • Liquids, gases, and minerals

    • Gases, solids, and minerals

    • Gases, solids, and organic

    • Liquids, gases, and solids

    Correct Answer
    A. Liquids, gases, and solids
    Explanation
    The three states of matter are liquids, gases, and solids. Liquids have a definite volume but no definite shape, gases have no definite volume or shape, and solids have both a definite volume and shape. Minerals and organic substances are not states of matter, but rather types of substances. Therefore, the correct answer is liquids, gases, and solids.

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  • 12. 

    The force that acts upward at a right angle to the direction of the relative wind is

    • Lift

    • Drag

    • Thrust

    • Weight

    Correct Answer
    A. Lift
    Explanation
    Lift is the force that acts upward at a right angle to the direction of the relative wind. It is generated by the difference in air pressure between the top and bottom surfaces of an object, such as an airplane wing. Lift is essential for an aircraft to generate the necessary upward force to counteract the weight of the aircraft and allow it to stay in the air.

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  • 13. 

    At a minimum, what should you wear when taking an oil sample?

    • Goggles

    • Goggles and gloves

    • Gloves and long sleeves

    • Goggles and long sleeves

    Correct Answer
    A. Goggles and gloves
    Explanation
    When taking an oil sample, it is important to wear goggles and gloves. Goggles protect the eyes from any potential splashes or spills that could occur during the sampling process. Gloves, on the other hand, protect the hands from coming into direct contact with the oil, which may contain harmful chemicals or contaminants. Wearing both goggles and gloves ensures the safety of the individual taking the oil sample by providing adequate protection for both the eyes and hands.

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  • 14. 

    Which directives are used when performing maintenance procedures?

    • Manuals, CDCs, and handbooks

    • TOs, manuals, and CDCs

    • Manuals, TOs, and handbooks

    • TOs, handbooks, and CDCs

    Correct Answer
    A. Manuals, TOs, and handbooks
    Explanation
    When performing maintenance procedures, the directives that are typically used are Manuals, TOs (Technical Orders), and handbooks. These documents provide detailed instructions, guidelines, and reference materials for carrying out maintenance tasks effectively and safely. Manuals contain specific procedures and instructions for maintenance tasks, TOs provide technical information and specifications, and handbooks offer additional guidance and reference materials. Using these directives ensures that maintenance procedures are performed accurately and in accordance with established standards.

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  • 15. 

    What affects radiation hazards?

    • Strength of emission, time of day and, input power

    • Strength of emission, time of exposure, and weather

    • Input power, weather, and number of personnel in the area

    • Time of exposure, amount of training, and number of operating units

    Correct Answer
    A. Strength of emission, time of exposure, and weather
    Explanation
    The factors that affect radiation hazards are the strength of emission, time of exposure, and weather. The strength of emission refers to the intensity of the radiation source, which can determine the level of hazard. The longer the time of exposure to radiation, the higher the risk of harm. Weather conditions such as wind direction and speed can also influence the dispersion and concentration of radiation. Therefore, these three factors play a crucial role in determining the level of radiation hazards.

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  • 16. 

    Before moving an explosives-loaded aircraft into a hangar you must

    • Install shorting plugs and clips

    • Install mechanical safetying devices

    • Remove all ammunition and explosives

    • Position all fire control switches to SAFE or OFF

    Correct Answer
    A. Remove all ammunition and explosives
    Explanation
    Before moving an explosives-loaded aircraft into a hangar, it is necessary to remove all ammunition and explosives to ensure the safety of the hangar and its surroundings. This is done to prevent any accidental ignition or detonation of the explosives, which could cause significant damage and harm. By removing all ammunition and explosives, the risk of accidents and potential explosions is greatly reduced, making it safer to move the aircraft into the hangar.

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  • 17. 

    Who is responsible for ensuring that good supply discipline is practiced?

    • Base commanders

    • Squadron commanders

    • Supervisors at all levels

    • Squadron QA section

    Correct Answer
    A. Supervisors at all levels
    Explanation
    Supervisors at all levels are responsible for ensuring that good supply discipline is practiced. This means that it is the duty of every supervisor, regardless of their position or rank, to oversee and enforce proper supply management procedures within their respective areas of responsibility. By doing so, supervisors can help maintain accountability, prevent waste or misuse of resources, and ensure that the supply chain operates efficiently. This responsibility extends to supervisors at all levels, from base commanders to squadron commanders, as they play a crucial role in maintaining good supply discipline throughout the organization.

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  • 18. 

    What part of a cannon plug completes the electrical circuit?

    • Metal shells

    • Connector halves

    • Dielectric contacts

    • Pin-and-socket contacts

    Correct Answer
    A. Pin-and-socket contacts
    Explanation
    Pin-and-socket contacts complete the electrical circuit in a cannon plug. These contacts consist of pins on one connector half and corresponding sockets on the other half. When the plug is inserted, the pins and sockets make contact, allowing the flow of electricity through the circuit. The metal shells provide structural support and protection, while the connector halves hold the pins and sockets in place. The dielectric contacts act as insulators, preventing the pins and sockets from touching each other and causing a short circuit.

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  • 19. 

    The arrow stamped on the body of a fuel system check valve indicates the

    • Direction of free flow

    • Direction of restricted flow

    • Location of the drilled hole in the valve

    • Location of the manufacturer’s data block

    Correct Answer
    A. Direction of free flow
    Explanation
    The arrow stamped on the body of a fuel system check valve indicates the direction of free flow. This means that when the fuel flows through the valve, it should follow the direction indicated by the arrow. The arrow serves as a visual guide for technicians and users to ensure that the fuel flows correctly through the valve, preventing any potential issues or malfunctions.

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  • 20. 

    The most prevalent method of refueling for ground servicing is

    • Nozzle

    • Top-off

    • Single-point

    • Over-the-wing

    Correct Answer
    A. Single-point
    Explanation
    The most prevalent method of refueling for ground servicing is single-point. This method involves using a single refueling point on the aircraft, typically located on the wing, to transfer fuel from the ground fueling system. It is a more efficient and faster method compared to other options like nozzle, top-off, or over-the-wing refueling. With single-point refueling, the fueling process can be standardized and streamlined, reducing the time and effort required for refueling operations.

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  • 21. 

    What is the percentage of accidents attributable to unsafe acts and physical hazards?

    • 50

    • 70

    • 90

    • 98

    Correct Answer
    A. 98
    Explanation
    The correct answer is 98. This means that 98% of accidents are caused by unsafe acts and physical hazards. This suggests that the majority of accidents can be prevented by addressing these factors and implementing safety measures.

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  • 22. 

    When a lost tool cannot be located, the lowest person authorized to clear a red X is the

    • Maintenance operations officer/maintenance superintendent

    • Wing vice commander

    • Group commander

    • Wing commander

    Correct Answer
    A. Maintenance operations officer/maintenance superintendent
    Explanation
    The correct answer is maintenance operations officer/maintenance superintendent. These individuals are responsible for overseeing maintenance operations and have the authority to clear a red X, which signifies that a tool is lost. The wing vice commander, group commander, and wing commander may have higher positions, but they may not have the specific authority to clear a red X in this situation.

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  • 23. 

    In most units, who is responsible for investigating dropped objects?

    • The FOD prevention office

    • The operations commander

    • The flight safety officer

    • QA

    Correct Answer
    A. QA
    Explanation
    QA, or Quality Assurance, is responsible for investigating dropped objects in most units. Quality Assurance is responsible for ensuring that processes and procedures are followed correctly and that products or services meet the required standards. Investigating dropped objects falls under their responsibility as they need to identify the cause of the incident, assess any potential risks, and implement measures to prevent similar incidents from occurring in the future.

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  • 24. 

    When servicing aircraft the gaseous nitrogen servicing trailer can be operated by

    • AGE personnel only

    • The highest ranking person on the shift

    • Qualified operators only

    • Any person

    Correct Answer
    A. Qualified operators only
    Explanation
    The gaseous nitrogen servicing trailer is a specialized piece of equipment used for servicing aircraft. It requires specific knowledge and training to operate safely and effectively. Therefore, only qualified operators should be allowed to operate the trailer. This ensures that the aircraft is serviced correctly and minimizes the risk of accidents or damage.

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  • 25. 

    Who is responsible for ensuring that good supply discipline is practiced?

    • Base commanders

    • Squadron commanders

    • Supervisors at all levels

    • Squadron QA section

    Correct Answer
    A. Supervisors at all levels
    Explanation
    Supervisors at all levels are responsible for ensuring that good supply discipline is practiced. This includes maintaining accurate inventory records, preventing loss or theft of supplies, and enforcing proper storage and handling procedures. Supervisors play a crucial role in overseeing the supply chain and ensuring that all personnel are following established protocols and regulations. They are responsible for training and educating their subordinates on supply discipline and holding them accountable for any violations. By actively monitoring and enforcing good supply discipline, supervisors contribute to the overall efficiency and effectiveness of the supply system.

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  • 26. 

    How are special bolts identified?

    • By a zinc-plated nickel steel covering

    • By a galvanized-plated steel covering

    • The bolt head is marked with a triangle

    • The bolt head is marked with the letter S

    Correct Answer
    A. The bolt head is marked with the letter S
    Explanation
    Special bolts are identified by marking the bolt head with the letter S. This marking helps distinguish special bolts from regular bolts and allows for easy identification during assembly or maintenance processes. The other options mentioned, such as zinc-plated nickel steel covering or galvanized-plated steel covering, are not specific to special bolts and may be used for regular bolts as well. Therefore, the marking of the letter S on the bolt head is the most reliable and consistent method of identifying special bolts.

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  • 27. 

    A major disadvantage of multiple disc brakes is that they

    • Warp when overheated

    • Shatter during hard landings

    • Must be adjusted after each landing

    • Do not provide maximum stopping grip

    Correct Answer
    A. Warp when overheated
    Explanation
    Multiple disc brakes have a major disadvantage of warping when overheated. When the brakes become too hot, the metal discs can deform and lose their shape, resulting in an uneven surface. This can lead to vibrations, decreased braking performance, and potentially dangerous situations.

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  • 28. 

    The low atmospheric pressure found at extremely high altitudes can cause a person’s blood vessels to

    • Shrink

    • Rupture

    • Contract

    • Collapse

    Correct Answer
    A. Rupture
    Explanation
    At extremely high altitudes, the atmospheric pressure decreases significantly. This decrease in pressure can have a negative impact on the human body, particularly on the blood vessels. The low atmospheric pressure can cause the blood vessels to rupture, meaning they may burst or break open due to the increased stress. This can lead to internal bleeding and other severe health complications.

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  • 29. 

    What is usually located at the lowest point in a fuel tank?

    • Sump and drain

    • Pump and drain

    • Pressure relief valve

    • Fuel-level control valve

    Correct Answer
    A. Sump and drain
    Explanation
    The correct answer is sump and drain. The sump is a low point in a fuel tank where any sediment, water, or debris that may have entered the tank can collect. The drain is a valve or plug located at the bottom of the sump, which allows for the removal of any accumulated contaminants. By having a sump and drain at the lowest point in the tank, it ensures that any impurities in the fuel can be easily drained out, preventing them from entering the fuel system and causing damage.

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  • 30. 

    The estimated percent of accidents caused by nature is

    • 2

    • 4

    • 6

    • 8

    Correct Answer
    A. 2
    Explanation
    The estimated percent of accidents caused by nature is 2. This means that only a small percentage of accidents are caused by natural factors such as weather conditions, natural disasters, or animal-related incidents. The majority of accidents are likely caused by human error, mechanical failures, or other non-natural factors.

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  • 31. 

    Hazardous Waste Management System rules are published by

    • The US Air Force

    • Each MAJCOM

    • DOD

    • EPA

    Correct Answer
    A. EPA
    Explanation
    The correct answer is EPA. The Environmental Protection Agency (EPA) is responsible for publishing the Hazardous Waste Management System rules. The EPA is a federal agency in the United States that is tasked with protecting human health and the environment. They establish regulations and guidelines for managing hazardous waste to ensure proper handling, storage, transportation, and disposal to minimize risks and protect the environment.

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  • 32. 

    The noise intensity of a jet engine is greatest toward the rear of the engine and to either side at an angle of

    • 15°

    • 45°

    • 65°

    • 95°

    Correct Answer
    A. 45°
    Explanation
    The noise intensity of a jet engine is greatest toward the rear of the engine and to either side at an angle of 45°. This is because the noise generated by a jet engine is mainly caused by the exhaust gases and the turbulence created by the high-speed airflow. As the exhaust gases and turbulence spread out from the rear of the engine, they create a cone-shaped pattern of noise. The maximum intensity of this noise cone occurs at an angle of 45° from the rear of the engine, where the sound waves are concentrated and directed outward.

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  • 33. 

    Which symptom is not a sign of noise fatigue?

    • Dizziness

    • Emotional irritability

    • A feeling of emptiness

    • Impaired mental concentration

    Correct Answer
    A. A feeling of emptiness
    Explanation
    A feeling of emptiness is not a sign of noise fatigue because noise fatigue typically manifests as physical and mental symptoms such as dizziness, emotional irritability, and impaired mental concentration. A feeling of emptiness is more commonly associated with emotional or psychological issues rather than fatigue caused by noise.

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  • 34. 

    Who is responsible for the -1 TO preflight check?

    • Operations

    • The aircrew

    • Supervision

    • The ground crew

    Correct Answer
    A. The aircrew
    Explanation
    The aircrew is responsible for the -1 TO preflight check. This means that it is their duty to conduct the necessary checks and inspections before takeoff to ensure the aircraft is in proper working condition. This includes checking the systems, controls, and instruments of the aircraft to ensure everything is functioning correctly and there are no issues that could affect the safety of the flight. The aircrew is trained and qualified to perform these checks and is ultimately responsible for the safety of the aircraft and its passengers.

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  • 35. 

    Engine over-temperature conditions are recorded on an AFTO

    • 781G

    • 781J

    • 781M

    • 781P

    Correct Answer
    A. 781J
    Explanation
    The correct answer is 781J. The AFTO 781J is a form used in the military to record engine over-temperature conditions. This form is specifically designed for recording and documenting any instances of engine overheating or high temperatures. It allows for accurate tracking and monitoring of these conditions, which is crucial for maintenance and troubleshooting purposes.

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  • 36. 

    Which torque wrench is designed to automatically release when a predetermined torque value is reached?

    • Indicating type

    • Breakaway type

    • Screwdriver type

    • Internal wrenching type

    Correct Answer
    A. Breakaway type
    Explanation
    A breakaway type torque wrench is designed to automatically release when a predetermined torque value is reached. This means that once the desired torque is achieved, the wrench will disengage or "break away" from the fastener, preventing over-tightening. This type of torque wrench is commonly used in applications where precise torque control is necessary to avoid damage or failure.

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  • 37. 

    What type of maintenance ensures that equipment is ready and available at the time of need?

    • Unscheduled

    • Preventive

    • Corrective

    • Protective

    Correct Answer
    A. Preventive
    Explanation
    Preventive maintenance is the type of maintenance that ensures equipment is ready and available when needed. It involves regularly inspecting, cleaning, and servicing equipment to prevent breakdowns and maintain optimal performance. By addressing potential issues before they occur, preventive maintenance helps to minimize downtime and increase the lifespan of equipment. This proactive approach helps to avoid costly repairs and ensures that equipment is always in good working condition, ready to be used when required.

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  • 38. 

    A barometer is designed to measure pressure in

    • Pounds per square inch(psi)

    • Inches of mercury

    • Milibars of alcohol

    • Ounces of air

    Correct Answer
    A. Inches of mercury
    Explanation
    A barometer is designed to measure pressure, and the most commonly used unit for measuring pressure is inches of mercury. This unit is based on the height of a column of mercury that is supported by the atmospheric pressure. As the atmospheric pressure changes, the height of the mercury column also changes, allowing for the measurement of pressure. Therefore, inches of mercury is the correct unit for measuring pressure using a barometer.

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  • 39. 

    The majority of aircraft circuit protection devices are normally located

    • In the aircraft cabin

    • In the nose wheel well

    • In the utility compartments

    • As far as possible frm the unit being protected

    Correct Answer
    A. In the aircraft cabin
    Explanation
    Aircraft circuit protection devices are typically located in the aircraft cabin to ensure easy access and maintenance. Placing them in the cabin allows for quick identification and replacement of faulty devices, reducing downtime and improving the overall safety of the aircraft. Additionally, locating these devices in the cabin ensures that they are protected from extreme environmental conditions, such as temperature fluctuations and moisture, which could potentially affect their performance.

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  • 40. 

    A well-designed aircraft fuel system will ensure

    • Positive and negative fuel-flow

    • Negative fuel-flow under all conditions

    • Positive fuel-flow under positive conditions

    • Positive and reliable fuel-flow under all conditions

    Correct Answer
    A. Positive and reliable fuel-flow under all conditions
    Explanation
    A well-designed aircraft fuel system is crucial for the safe and efficient operation of the aircraft. It needs to ensure a positive and reliable fuel-flow under all conditions. This means that the fuel system should consistently deliver fuel to the engine in a controlled and consistent manner, regardless of factors such as altitude, temperature, or aircraft maneuvers. This ensures that the engine receives an adequate and steady fuel supply, allowing it to function properly and maintain optimal performance throughout the flight.

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  • 41. 

    What type of foreign particle appears in the fuel in a crystalline, granular, or glasslike form?

    • Rust

    • Sand and dust

    • Brass shavings

    • Aluminum or magnesium compounds

    Correct Answer
    A. Sand and dust
    Explanation
    Sand and dust particles can appear in fuel in a crystalline, granular, or glasslike form. These foreign particles can enter the fuel system through various means, such as contamination during storage or transportation. The presence of sand and dust in the fuel can lead to clogging of filters, erosion of fuel system components, and reduced engine performance. It is important to regularly monitor and maintain fuel quality to prevent the accumulation of these particles and ensure optimal engine operation.

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  • 42. 

    The GAS is normally sent out

    • 90 days after graduation

    • 6 months after graduation

    • Within 10 work days after graduation

    • Within 10 calendar days after graduation

    Correct Answer
    A. 90 days after graduation
    Explanation
    The correct answer is 90 days after graduation. This means that the GAS (presumably referring to a document or form) is typically sent out three months after a person has graduated. This allows for a sufficient amount of time for the necessary administrative processes to be completed before the document is issued.

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  • 43. 

    Which TO library does not need to maintain publication currency?

    • Training

    • Aircraft

    • Reference

    • Operational

    Correct Answer
    A. Reference
    Explanation
    The reference TO library does not need to maintain publication currency because it contains information that is not time-sensitive. Unlike the training, aircraft, and operational TO libraries which require regular updates to reflect the latest procedures and regulations, the reference TO library consists of materials such as manuals, handbooks, and guides that provide general information and serve as a resource for reference purposes. Therefore, the reference TO library does not need to constantly update its publications to stay current.

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  • 44. 

    The MB-4 Coleman incorporates

    • Two-wheel steering, two wheel drive.

    • Two-wheel steering, four-wheel drive.

    • Four-wheel steering, two-wheel drive

    • Four-wheel steering, four-wheel drive

    Correct Answer
    A. Four-wheel steering, four-wheel drive
    Explanation
    The MB-4 Coleman incorporates four-wheel steering, which means that all four wheels can turn and steer the vehicle. This allows for better maneuverability and control, especially in tight spaces or off-road terrain. Additionally, the vehicle also has four-wheel drive, which means that power is distributed to all four wheels, providing better traction and stability, especially in challenging driving conditions.

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  • 45. 

    The TH inspection is normally performed

    • Prior to going on alert and again before flight after completion of the alert period

    • After flights when a turn-around sortie or continuation flight is scheduled

    • Immediately prior to a BPO

    • After the last flight of a specified flying period

    Correct Answer
    A. After flights when a turn-around sortie or continuation flight is scheduled
    Explanation
    The TH inspection is performed after flights when a turn-around sortie or continuation flight is scheduled. This means that the inspection is conducted after the completion of each flight, but only if there is another flight scheduled immediately after. This ensures that the aircraft is thoroughly inspected and any necessary maintenance or repairs can be carried out before the next flight. It helps to ensure the safety and airworthiness of the aircraft before it takes off again.

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  • 46. 

    Who was among the first to study the compressibility of gases?

    • Hook

    • Boyle

    • Pascal

    • Charles

    Correct Answer
    A. Boyle
    Explanation
    Boyle was among the first to study the compressibility of gases. His work, known as Boyle's Law, states that the volume of a gas is inversely proportional to its pressure, when the temperature is held constant. This groundbreaking study laid the foundation for understanding the behavior of gases and was a significant contribution to the field of physics.

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  • 47. 

    What is the design that uses any combination of longerons, stringers, bulkheads and frames in the construction of the fuselage called?

    • Fuselage

    • Longerons

    • Monocoque

    • Semi-monocoque

    Correct Answer
    A. Semi-monocoque
    Explanation
    A semi-monocoque design is a type of fuselage construction that utilizes a combination of longerons, stringers, bulkheads, and frames. This design provides a balance between the strength and weight of the fuselage. The longerons are longitudinal members that run along the length of the fuselage, while the stringers are smaller structural members that run perpendicular to the longerons. The bulkheads and frames provide additional support and structure. The semi-monocoque design is commonly used in modern aircraft construction due to its strength and efficiency.

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  • 48. 

    The rapid cooling of bleed air causes

    • The air pressure to increase

    • Moisture to condense in the form of fog

    • Ice to form in the secondary heat exchanger

    • A loss of pressure as it exits the air cycle machine compressor

    Correct Answer
    A. Moisture to condense in the form of fog
    Explanation
    When bleed air is rapidly cooled, the temperature of the air drops significantly. This causes the moisture present in the air to condense, forming tiny water droplets that appear as fog. This phenomenon occurs because cold air is unable to hold as much moisture as warm air. As a result, the excess moisture condenses into fog, which can be observed in various environments such as when warm, humid air comes into contact with a cold surface or when warm air is rapidly cooled in aircraft systems.

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  • 49. 

    Normally, what type of material is used in the construction of a pressure seal?

    • Soft rubber

    • Phenolic mix

    • Non-magnetic

    • Thermosetting plastic

    Correct Answer
    A. Soft rubber
    Explanation
    Soft rubber is typically used in the construction of a pressure seal. This material is chosen for its ability to create a tight and secure seal, preventing any leakage or loss of pressure. Soft rubber is flexible and easily molds to the shape of the seal, ensuring a proper fit. Additionally, it is resistant to wear and tear, making it durable and long-lasting.

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  • Mar 18, 2023
    Quiz Edited by
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  • Dec 10, 2013
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