Ultimate Aircraft Systems Quiz

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Aircraft System Quizzes & Trivia

Aircraft systems are very delicate therefore special care should be given to them in regards to management. Do you think that you understood everything we discussed in class these past months on the systems? If you said yes, test yourself by taking up this specialized and easy quiz. All the best!


Questions and Answers
  • 1. 

    On aircraft equipped with fuel pumps, when is the auxiliary electric driven pump used?

    • A.

      Loss of power

    • B.

      In the event engine-driven fuel pump fails

    • C.

      Excessive oil consumption

    Correct Answer
    B. In the event engine-driven fuel pump fails
    Explanation
    The auxiliary electric driven pump is used in the event the engine-driven fuel pump fails. This is necessary to ensure a continuous supply of fuel to the aircraft's engine, preventing loss of power and maintaining proper functioning of the aircraft.

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  • 2. 

    A turn coordinator provides an indication of the

    • A.

      Movement of the aircraft about the yaw and roll axes

    • B.

      Electrical system

    • C.

      Cylinder head temperature

    Correct Answer
    A. Movement of the aircraft about the yaw and roll axes
    Explanation
    A turn coordinator is an instrument that provides pilots with information about the movement of the aircraft around the yaw and roll axes. It helps them determine whether the aircraft is turning or rolling, and provides a visual indication of the rate of turn. This information is crucial for maintaining control and stability during flight.

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  • 3. 

    What type of fuel does the DA20-C1 use?

    • A.

      Diesel

    • B.

      AVGAS 100LL or 100

    • C.

      AVGAS 200LL or 200

    Correct Answer
    B. AVGAS 100LL or 100
    Explanation
    The DA20-C1 uses AVGAS 100LL or 100 as its fuel type.

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  • 4. 

    Which color identifies the power-off stalling speed with wing flaps and landing gear in the landing configuration?

    • A.

      Upper limit of the white arc

    • B.

      The extent of the green arc

    • C.

      Lower limit of the white arc

    Correct Answer
    C. Lower limit of the white arc
    Explanation
    The lower limit of the white arc on an aircraft's airspeed indicator represents the power-off stalling speed with wing flaps and landing gear in the landing configuration. This means that when the aircraft is flying at or below this speed, it is at risk of stalling if the power is reduced and the flaps and landing gear are extended. Therefore, the lower limit of the white arc serves as a visual reference for pilots to ensure they maintain a safe speed during landing.

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  • 5. 

    Which fuel system statement is true?

    • A.

      The automatic mixture control is part of the electric driven fuel pump

    • B.

      The automatic mixture control is part of the engine driven fuel pump

    • C.

      The automatic mixture control is part of the oil driven fuel pump

    Correct Answer
    B. The automatic mixture control is part of the engine driven fuel pump
    Explanation
    The automatic mixture control is part of the engine driven fuel pump. This means that the automatic mixture control system, which regulates the fuel-to-air ratio in the engine, is integrated within the engine driven fuel pump.

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  • 6. 

    The maximum speed at which the airplane can be operated in smooth air is

    • A.

      Top of green arc

    • B.

      The extent of white arc

    • C.

      Top of red arc

    Correct Answer
    A. Top of green arc
    Explanation
    The top of the green arc refers to the maximum speed at which the airplane can be safely operated in smooth air. This means that flying at or below this speed ensures that the aircraft is within its safe operating limits. Going beyond this speed could potentially put the aircraft at risk of structural damage or loss of control. Therefore, the top of the green arc is the correct answer as it indicates the maximum safe operating speed.

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  • 7. 

    An abnormally high engine oil temperature indication may be caused by

    • A.

      The fuel level being too low

    • B.

      The oil level being too high

    • C.

      The oil level being too low

    Correct Answer
    C. The oil level being too low
    Explanation
    An abnormally high engine oil temperature indication may be caused by the oil level being too low. When the oil level is low, there is not enough lubrication to properly cool down the engine components, resulting in increased friction and heat. This can lead to higher oil temperatures and potentially damage the engine. It is important to regularly check and maintain the proper oil level to prevent overheating and ensure the engine's optimal performance.

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  • 8. 

    Which DA20-C1 vacuum system statement is true?
       

    • A.

      Air enters the system through the air filter behind the left side of the instrument panel

    • B.

      Air enters the system through the air filter behind the right side of the instrument panel

    • C.

      Air leaves the system through the air filter behind the left side of the instrument panel

    Correct Answer
    A. Air enters the system through the air filter behind the left side of the instrument panel
    Explanation
    The correct answer is that air enters the system through the air filter behind the left side of the instrument panel. This means that the air filter is located on the left side of the instrument panel and is responsible for filtering the air that enters the vacuum system.

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  • 9. 

    What is the full flap operating range of a plane?

    • A.

      Top of green arc

    • B.

      The red radial line

    • C.

      The extent of white arc

    Correct Answer
    C. The extent of white arc
    Explanation
    The extent of the white arc represents the full flap operating range of a plane. The white arc on the airspeed indicator indicates the speeds at which the flaps can be fully extended or retracted. This range is typically between the top of the white arc and the lower limit of the white arc. Therefore, the correct answer is "The extent of the white arc."

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  • 10. 

    What is the maximum structural cruising speed?

    • A.

      Top of green arc

    • B.

      The extent of white arc

    • C.

      The red radial line

    Correct Answer
    A. Top of green arc
    Explanation
    The maximum structural cruising speed refers to the highest speed at which an aircraft can safely operate without causing damage to its structure. The "top of green arc" is typically indicated on the airspeed indicator and represents the upper limit of the safe cruising speed range. Therefore, the correct answer is "Top of green arc."

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  • 11. 

    Excessively high engine temperatures will

    • A.

      Cause the cylinder head temperature and engine oil temperature gauges to exceed their normal operating ranges

    • B.

      Cause loss of power, excessive oil consumption, and possible permanent internal engine damage

    • C.

      Cause a false reading on the altimeter and heading

    Correct Answer
    B. Cause loss of power, excessive oil consumption, and possible permanent internal engine damage
    Explanation
    Excessively high engine temperatures can cause loss of power, excessive oil consumption, and possible permanent internal engine damage. When the engine temperature is too high, it can lead to a decrease in power output, as the engine may not be able to function optimally. Additionally, high temperatures can cause the engine oil to break down more quickly, leading to excessive oil consumption. Moreover, prolonged exposure to high temperatures can cause permanent damage to the internal components of the engine, which may require costly repairs or even engine replacement.

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  • 12. 

    The maximum allowable weight in the baggage compartment of the DA20-C1 is

    • A.

      17 lbs

    • B.

      64 lbs

    • C.

      44 lbs

    Correct Answer
    C. 44 lbs
    Explanation
    The maximum allowable weight in the baggage compartment of the DA20-C1 is 44 lbs. This means that the total weight of the baggage that can be placed in the compartment should not exceed 44 lbs.

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  • 13. 

    Which items are connected to the static port on the pitot-static probe?

    • A.

      Airspeed indicator, altimeter, vertical speed indicator and transponder mode A

    • B.

      Airspeed indicator, altimeter, vertical speed indicator and transponder mode C

    • C.

      Airspeed indicator, altimeter, vertical speed indicator and transponder mode B

    Correct Answer
    B. Airspeed indicator, altimeter, vertical speed indicator and transponder mode C
    Explanation
    The items connected to the static port on the pitot-static probe are the airspeed indicator, altimeter, vertical speed indicator, and transponder mode C. The static port provides static pressure to these instruments, which are necessary for accurate measurements of airspeed, altitude, vertical speed, and transponder information. Transponder mode C specifically requires static pressure information for altitude reporting.

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  • 14. 

    What color identifies the normal flap operating range?

    • A.

      The red arc

    • B.

      The white arc

    • C.

      The green arc

    Correct Answer
    B. The white arc
    Explanation
    The white arc is used to identify the normal flap operating range. This means that when the flaps are within the white arc, they are in the appropriate range for normal operation.

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  • 15. 

    If the pilot changes the altimeter setting from 30.11 to 29.96, what is the approximate change in indication?

    • A.

      Altimeter will indicate 150 feet lower

    • B.

      Altimeter will indicate 0.15 feet lower

    • C.

      Altimeter will indicate 150 feet higher

    Correct Answer
    A. Altimeter will indicate 150 feet lower
    Explanation
    When the altimeter setting is changed from 30.11 to 29.96, the indication on the altimeter will decrease by 0.15. Since each unit change in the altimeter setting corresponds to a change of 1,000 feet in altitude, the approximate change in indication will be 0.15 multiplied by 1,000, which equals 150 feet lower.

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  • 16. 

    Which items are connected to the vacuum system?

    • A.

      Altimeter and attitude indicator

    • B.

      Heading indicator and vacuum indicator

    • C.

      Attitude indicator and heading indicator

    Correct Answer
    C. Attitude indicator and heading indicator
    Explanation
    The attitude indicator and heading indicator are connected to the vacuum system. The attitude indicator relies on the vacuum system to provide the necessary suction to operate, while the heading indicator also uses the vacuum system to power its gyroscopic mechanism. These instruments are crucial for maintaining the aircraft's orientation and heading, and their connection to the vacuum system ensures their proper functioning.

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  • 17. 

    To receive accurate indications during flight from a heading indicator, the instrument must be

    • A.

      Periodically realigned with the magnetic compass as the gyro processes

    • B.

      Connected to the vaccum system

    • C.

      Properly aligned with the turn coordinator

    Correct Answer
    A. Periodically realigned with the magnetic compass as the gyro processes
    Explanation
    The heading indicator uses a gyro to determine the aircraft's heading. However, the gyro tends to drift over time, so it needs to be realigned periodically with the magnetic compass to ensure accuracy. This is because the magnetic compass provides the true heading reference, and by realigning the gyro with it, the heading indicator can provide accurate indications during flight. Connecting the instrument to the vacuum system or aligning it with the turn coordinator are not necessary for receiving accurate indications from the heading indicator.

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  • 18. 

    One purpose of the dual ignition system on an aircraft engine is to provide for

    • A.

      Automatic mixture control

    • B.

      Improved engine performance

    • C.

      Regulating oil pressure level

    Correct Answer
    B. Improved engine performance
    Explanation
    The dual ignition system on an aircraft engine improves engine performance by providing redundancy and ensuring a more efficient combustion process. Having two spark plugs per cylinder increases the likelihood of ignition, especially in high-altitude or adverse conditions. This leads to a more complete and consistent burn of the fuel-air mixture, resulting in increased power output, smoother operation, and better fuel economy. Additionally, the dual ignition system helps prevent engine misfires and reduces the risk of engine failure, enhancing overall performance and safety.

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  • 19. 

    What is one procedure to aid in cooling an engine that is overheating?

    • A.

      Adjust for proper RPM

    • B.

      Pop the hood

    • C.

      Enrich the mixture

    Correct Answer
    C. Enrich the mixture
    Explanation
    Enriching the mixture refers to increasing the amount of fuel in the air-fuel mixture in the engine. This procedure can help cool an overheating engine because a richer mixture provides more fuel to burn, which in turn produces more power and increases the cooling effect. By enriching the mixture, the engine runs cooler as it generates more power and dissipates heat more efficiently.

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  • 20. 

    What power source spins the gyro in Attitude Indicator?

    • A.

      Vacuum system

    • B.

      Fuel pump

    • C.

      Mixture

    Correct Answer
    A. Vacuum system
    Explanation
    The vacuum system is the power source that spins the gyro in the Attitude Indicator. The Attitude Indicator is a flight instrument that displays the aircraft's pitch and roll attitude relative to the horizon. It relies on a gyroscope to function properly, and the gyroscope is powered by the vacuum system. The vacuum system creates suction that drives the gyroscope, allowing it to accurately indicate the aircraft's attitude.

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  • 21. 

    The pitot system provides impact pressure for which instruments?

    • A.

      Vacuum system

    • B.

      Airspeed indicator

    • C.

      Mixture

    Correct Answer
    B. Airspeed indicator
    Explanation
    The pitot system provides impact pressure for the airspeed indicator. The airspeed indicator measures the speed of the aircraft by comparing the impact pressure created by the forward motion of the aircraft to the static pressure of the surrounding air. This is done by using a pitot tube, which is a small tube that faces forward and collects the impact pressure. This pressure is then displayed on the airspeed indicator, allowing the pilot to know the current speed of the aircraft.

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  • 22. 

    The fuel pressure normal operating range in the DA20-C1 is

    • A.

      5.3-52.3psi

    • B.

      3.2-35.2psi

    • C.

      3.5-32.5psi

    Correct Answer
    C. 3.5-32.5psi
    Explanation
    The fuel pressure normal operating range in the DA20-C1 is 3.5-32.5 psi. This means that the fuel pressure should ideally be within this range for the aircraft to operate efficiently. If the pressure is too low or too high, it can lead to engine performance issues or even engine failure. Therefore, it is important to monitor and maintain the fuel pressure within this specified range during flight.

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  • 23. 

    When the flaps are in the LDG position in the DA20, they are extended____ degrees

    • A.

      45

    • B.

      90

    • C.

      23

    Correct Answer
    C. 23
    Explanation
    When the flaps are in the LDG (Landing) position in the DA20, they are extended 23 degrees.

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  • 24. 

    What does the red line on the airspeed indicator represent?

    • A.

      Stall

    • B.

      Never exceed speed

    • C.

      Maximum cruising speed

    Correct Answer
    B. Never exceed speed
    Explanation
    The red line on the airspeed indicator represents the "never exceed speed." This is the maximum speed at which the aircraft should never exceed, as going beyond this speed can cause damage to the aircraft's structure or lead to loss of control. It serves as a safety limit to prevent the aircraft from being operated beyond its design capabilities.

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  • 25. 

    Which color identifies the never exceed speed?

    • A.

      The white radial line

    • B.

      The orange radial line

    • C.

      The red radial line

    Correct Answer
    C. The red radial line
    Explanation
    The red radial line is the correct answer because in aviation, the red radial line on the airspeed indicator represents the never exceed speed, also known as Vne. This is the maximum speed that an aircraft should never exceed, as going beyond this speed can result in structural damage or loss of control. The red color is used to highlight the importance and danger associated with exceeding this limit.

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  • 26. 

    Which V-speed represents maximum flap extended speed?

    • A.

      VFE

    • B.

      VA

    • C.

      VNE

    Correct Answer
    A. VFE
    Explanation
    VFE represents the maximum flap extended speed. This is the highest speed at which an aircraft can safely extend its flaps. Flaps are used to increase the lift and drag of an aircraft during takeoff and landing. Operating the flaps above the VFE speed can cause damage to the aircraft's structure. Therefore, it is important for pilots to adhere to the VFE speed limit to ensure the safe operation of the aircraft.

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  • 27. 

    What should be the first action after starting an aircraft engine?

    • A.

      Periodically realign the magnetic compass as the gyro processes

    • B.

      Adjust for proper RPM and check for desired indications on the engine gauges

    • C.

      Use electric-driven pump

    Correct Answer
    B. Adjust for proper RPM and check for desired indications on the engine gauges
    Explanation
    After starting an aircraft engine, the first action should be to adjust for proper RPM and check for desired indications on the engine gauges. This is important to ensure that the engine is running at the correct speed and that all the engine parameters are within the desired range. It allows the pilot to monitor the engine's performance and detect any abnormalities or malfunctions early on. Realigning the magnetic compass and using the electric-driven pump are not the first actions that need to be taken after starting the engine.

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  • 28. 

    If it is necessary to set the altimeter from 29.15 to 29.85, what change occurs?

    • A.

      700 foot decrease in indicated altitude

    • B.

      700 foot increase in true altitude

    • C.

      700 foot increase in indicated altitude

    Correct Answer
    C. 700 foot increase in indicated altitude
    Explanation
    When the altimeter is set from 29.15 to 29.85, there is a 700 foot increase in the indicated altitude. This means that the altimeter will now show a higher altitude reading compared to the previous setting.

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  • 29. 

    What action can a pilot take to aid in cooling an engine that is overheating during a climb?

    • A.

      Reduce rate of climb and increase airspeed

    • B.

      Abort

    • C.

      Reduce rate of climb and decrease airspeed

    Correct Answer
    A. Reduce rate of climb and increase airspeed
    Explanation
    When an engine is overheating during a climb, reducing the rate of climb and increasing airspeed can help in cooling the engine. By reducing the rate of climb, the pilot decreases the workload on the engine, allowing it to cool down. Increasing airspeed helps in increasing the airflow over the engine, which aids in dissipating the heat generated. This combination of actions helps in preventing further overheating and potential damage to the engine.

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  • 30. 

    Where is the fuel mixture controlled in the DA20?

    • A.

      Electric-driven fuel pump

    • B.

      Engine-drive fuel pump

    • C.

      Auxiliary electric-driven pump

    Correct Answer
    B. Engine-drive fuel pump
    Explanation
    The fuel mixture in the DA20 is controlled by the engine-driven fuel pump. This pump is directly connected to the engine and is responsible for delivering the fuel from the fuel tank to the engine. It ensures that the correct amount of fuel is mixed with the air in the engine for optimal combustion and performance. The engine-drive fuel pump is a crucial component in controlling the fuel mixture and maintaining the proper functioning of the aircraft's engine.

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  • 31. 

    Flight through rain in a DA20

    • A.

      Increase change of excessive oil consumption

    • B.

      Increases risk of overheating the engine

    • C.

      Reduces aircraft performance

    Correct Answer
    C. Reduces aircraft performance
    Explanation
    Flying through rain can cause several negative effects on an aircraft's performance. Rain can increase the drag on the aircraft, making it harder to maintain speed and altitude. Additionally, water ingestion can lead to engine issues such as reduced power output and increased risk of overheating. Therefore, it is reasonable to conclude that flying through rain reduces aircraft performance.

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  • 32. 

    Filling the fuel tanks after the last flight of the day is considered a good operating procedure because this will

    • A.

      Prevent moisture condensation by eliminating airspace in the tanks

    • B.

      Enrich the mixture

    • C.

      Improve engine performance

    Correct Answer
    A. Prevent moisture condensation by eliminating airspace in the tanks
    Explanation
    Filling the fuel tanks after the last flight of the day is considered a good operating procedure because it prevents moisture condensation by eliminating airspace in the tanks. When there is empty space in the tanks, moisture can accumulate and condense, which can lead to water contamination in the fuel. This can cause engine problems and affect performance. By filling the tanks completely, there is no room for moisture to accumulate, reducing the risk of condensation and ensuring the fuel remains clean and free from water contamination.

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  • 33. 

    The cylinder head temperature (CHT) normal operating range is

    • A.

      300 to 420 degree Celsius

    • B.

      300 to 420 degrees Fahrenheit

    • C.

      42 to 300 degrees Fahrenheit

    Correct Answer
    B. 300 to 420 degrees Fahrenheit
    Explanation
    The correct answer is 300 to 420 degrees Fahrenheit. This is the normal operating range for the cylinder head temperature (CHT). It is important for the CHT to stay within this range to ensure proper engine performance and prevent overheating or damage.

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  • 34. 

    The proper adjustment to make on the attitude indicator during level flight is to align the

    • A.

      Oil temperature and oil pressure

    • B.

      Vertical speed indicator with the airspeed indicator

    • C.

      Mini airplane to the horizon bar

    Correct Answer
    C. Mini airplane to the horizon bar
    Explanation
    During level flight, the proper adjustment to make on the attitude indicator is to align the mini airplane to the horizon bar. This ensures that the aircraft is flying straight and level. By aligning the mini airplane with the horizon bar, the pilot can maintain a constant pitch and roll attitude, resulting in a stable flight. This adjustment helps in keeping the aircraft on the desired flight path and prevents any unintentional climb or descent.

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  • 35. 

    Which would most likely cause the cylinder head temperature and engine oil temperature gauges to exceed their normal operating ranges?

    • A.

      Excessively low oil quantity

    • B.

      Extreme weather conditions

    • C.

      Using fuel that has a lower-than-specified fuel rating

    Correct Answer
    C. Using fuel that has a lower-than-specified fuel rating
    Explanation
    Using fuel that has a lower-than-specified fuel rating can lead to incomplete combustion in the engine, causing the engine to run hotter than normal. This increase in engine temperature can result in the cylinder head temperature and engine oil temperature gauges exceeding their normal operating ranges.

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  • 36. 

    How should a pilot determine the direction of bank from an attitude indicator?

    • A.

      By the relationship of the mini plane to the deflected horizon bar

    • B.

      By the relationship between the altimeter and the airspeed indicator

    • C.

      By the relationship of

    Correct Answer
    A. By the relationship of the mini plane to the deflected horizon bar
    Explanation
    The pilot should determine the direction of bank from an attitude indicator by observing the relationship of the mini plane to the deflected horizon bar. The attitude indicator displays the aircraft's pitch and bank attitude relative to the horizon. If the mini plane is tilted to the left of the deflected horizon bar, it indicates a left bank, and if it is tilted to the right, it indicates a right bank. This allows the pilot to accurately determine the direction of bank and maintain proper control of the aircraft.

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  • 37. 

    Which color identifies the power off stalling speed in a specified configuration?

    • A.

      Lower limit of the white arc

    • B.

      Lower limit of the green arc

    • C.

      Upper limit of the white arc

    Correct Answer
    B. Lower limit of the green arc
    Explanation
    The lower limit of the green arc is the color that identifies the power off stalling speed in a specified configuration.

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  • 38. 

    If the engine oil temperature and cylinder head temperature gauges have exceeded their normal operating range, the pilot may have been operating with

    • A.

      Not enough power and with the mixture set too rich

    • B.

      Too many red hots in his/her pocket

    • C.

      Too much power and with the mixture set too lean

    Correct Answer
    C. Too much power and with the mixture set too lean
    Explanation
    If the engine oil temperature and cylinder head temperature gauges have exceeded their normal operating range, it suggests that the engine is running too hot. This could be due to the pilot operating the aircraft with too much power, causing the engine to generate excessive heat. Additionally, if the mixture is set too lean, it means that there is not enough fuel being supplied to the engine, which can also contribute to higher temperatures. Therefore, the correct answer is that the pilot may have been operating with too much power and with the mixture set too lean.

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  • 39. 

    Which of the following instruments utilize a gyro?

    • A.

      Attitude indicator, heading indicator, and turn coordinator

    • B.

      Altimeter, engine-driven fuel pump, cabin heat indicator

    • C.

      Airspeed Indicator, vertical speed indicator, and transponder mode C

    Correct Answer
    A. Attitude indicator, heading indicator, and turn coordinator
    Explanation
    The attitude indicator, heading indicator, and turn coordinator all utilize a gyro. The attitude indicator uses a gyro to determine the aircraft's pitch and roll, the heading indicator uses a gyro to determine the aircraft's heading, and the turn coordinator uses a gyro to indicate the rate of turn. These instruments rely on the gyroscopic properties of a spinning wheel to provide accurate and reliable information to the pilot.

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  • 40. 

    What power source spins the gyro in the Heading Indicator?

    • A.

      Pitot-static system

    • B.

      Vacuum system

    • C.

      Electrical system

    Correct Answer
    B. Vacuum system
    Explanation
    The correct answer is the Vacuum system. The vacuum system is responsible for providing the necessary power to spin the gyro in the Heading Indicator. This system uses engine-driven vacuum pumps to create a vacuum that powers various instruments, including the Heading Indicator. The spinning gyro in the Heading Indicator allows the pilot to accurately determine the aircraft's heading.

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  • 41. 

    What is the caution range of the airplane?

    • A.

      The red arc

    • B.

      The white arc

    • C.

      The yellow arc

    Correct Answer
    C. The yellow arc
    Explanation
    The yellow arc represents the caution range of the airplane. This means that when the airplane operates within this range, pilots need to exercise caution and be aware of potential risks or limitations. Operating outside of this range may result in unsafe conditions or performance issues.

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  • 42. 

    If the ignition switch ground wire becomes disconnected, the magneto

    • A.

      May continue to fire

    • B.

      Will fail to fire

    • C.

      May produce sparks

    Correct Answer
    A. May continue to fire
    Explanation
    If the ignition switch ground wire becomes disconnected, it may continue to fire because the magneto generates its own power and does not rely on the ignition switch for grounding. The magneto produces high voltage pulses to create sparks in the spark plugs, which ignite the fuel-air mixture in the engine. Even without the ground wire connected, the magneto can still generate the necessary voltage to create sparks and continue firing.

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  • 43. 

    What is the maximum flaps extended speed?

    • A.

      The lower limit of the white arc

    • B.

      The top of the white arc

    • C.

      The top of the green arc

    Correct Answer
    B. The top of the white arc
    Explanation
    The maximum flaps extended speed is indicated by the top of the white arc on the airspeed indicator. This means that flying at or below this speed is safe when the flaps are fully extended. Going beyond this speed can cause damage to the flaps or compromise the aircraft's stability.

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  • 44. 

    To properly purge water from the fuel system of an aircraft equipped with fuel tank sumps and a fuel strainer quick drain, it is necessary to drain fuel from the

    • A.

      The maintenance drains

    • B.

      The pitot-static tube

    • C.

      Fuel strainer drain and the fuel tank sumps

    Correct Answer
    C. Fuel strainer drain and the fuel tank sumps
    Explanation
    To properly purge water from the fuel system of an aircraft, it is necessary to drain fuel from the fuel strainer drain and the fuel tank sumps. This is because water can accumulate in these areas and can contaminate the fuel, which can lead to engine problems or failure. By draining the fuel from the fuel strainer drain and the fuel tank sumps, any water present in the system can be removed, ensuring that only clean fuel is being used in the aircraft's engine.

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  • 45. 

    An electrical system failure (battery and alternator) occurs during flight. In this situation, you would

    • A.

      Experience avionics equipment failure

    • B.

      Assess the situation, take proper action

    • C.

      Experience total electrical failure

    Correct Answer
    A. Experience avionics equipment failure
    Explanation
    In the given scenario, the correct answer is "Experience avionics equipment failure." This means that during the flight, there is a failure in the electrical system, specifically the battery and alternator. This failure would directly impact the avionics equipment, which includes instruments, communication systems, and navigation aids. The pilot would experience a loss or malfunction of these electronic systems, requiring them to assess the situation and take appropriate action to ensure the safety of the flight. However, it is important to note that this failure does not necessarily result in a total electrical failure of the aircraft.

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  • 46. 

    What power source spins the gyro in the Turn Coordinator?

    • A.

      Pitot-static system

    • B.

      Vacuum system

    • C.

      Electrical system

    Correct Answer
    C. Electrical system
    Explanation
    The electrical system powers the gyro in the Turn Coordinator. This means that the gyro is spun using electricity, allowing it to accurately measure and display the aircraft's rate of turn. The electrical system provides the necessary energy to keep the gyro spinning and functioning properly.

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  • 47. 

    For internal cooling, air cooled engines are especially dependent on

    • A.

      The circulation of lubricating oil

    • B.

      RAM air from air intakes

    • C.

      Gasoline (100LL or better)

    Correct Answer
    A. The circulation of lubricating oil
    Explanation
    Air cooled engines rely on the circulation of lubricating oil for internal cooling. The oil helps to dissipate heat from the engine components, such as the cylinders and pistons, by absorbing and carrying away the excess heat. Without proper oil circulation, the engine would overheat and potentially suffer from damage or failure. Therefore, the circulation of lubricating oil is crucial for maintaining the optimal operating temperature of air cooled engines.

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  • 48. 

    A circuit breaker may be reset how many times?

    • A.

      Once

    • B.

      Twice

    • C.

      Three times

    Correct Answer
    A. Once
    Explanation
    A circuit breaker may be reset only once. After it trips or detects an overload, it needs to be manually reset by flipping the switch back to its original position. Resetting it multiple times without addressing the underlying issue could lead to further damage or electrical hazards. Therefore, it is important to identify and resolve the cause of the overload before resetting the circuit breaker.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 04, 2011
    Quiz Created by
    Tablancia
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