Volume 3 2A651 CDC Engine Systems (Q 1-23)

22 Questions | Total Attempts: 146

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CDC Quizzes & Trivia

While there may seem like a lot goes on within an aircraft, even more components are packed within its engine – in this quiz, see how much you can tell us about the systems of the 2a651 CDC Engine.


Questions and Answers
  • 1. 
    What is the composition of jp-8 fuel?
    • A. 

      Gasoline an Kerosene.

    • B. 

      Diesel fuel and AV GAS.

    • C. 

      Diesel fuel and kerosene.

    • D. 

      Gasoline and diesel fuel.

  • 2. 
    At room temp,how many times longer will it take water to settle out of jp-8 than out of gasoline?
    • A. 

      Two.

    • B. 

      Three.

    • C. 

      Four.

    • D. 

      Five.

  • 3. 
    The main fuel control allows the engine to safely accelerate,reducing the possibility of
    • A. 

      Flameout.

    • B. 

      Turbine seizure.

    • C. 

      Overtamperature.

    • D. 

      Compressor shift.

  • 4. 
    The purpose of a fuel/oil cooler in a fuel system is to
    • A. 

      Heat the fuel and cool the oil.

    • B. 

      Cool the fuel and cool the oil.

    • C. 

      Heat the fuel and heat the oil.

    • D. 

      Cool the fuel and heat the oil.

  • 5. 
    What type of fuel control uses items such as thermocouples, relays,amplifiers,and solenoids to help control a jet engine?
    • A. 

      Pneumatic.

    • B. 

      Fuel injection

    • C. 

      Hydromechanical

    • D. 

      Electrohydromechanical.

  • 6. 
    On fuel controls that require setting during an engine trim, calibration and/or adjustment screws must be
    • A. 

      Replaced

    • B. 

      Die marked

    • C. 

      Safety sealed and/or lockwired.

    • D. 

      Apply a thread locking compound.

  • 7. 
    When in the primary mode, what controls the operation of the f100-pw-220 engine?
    • A. 

      MEC

    • B. 

      PMG

    • C. 

      DEEC

    • D. 

      TSFC

  • 8. 
    On an f100-pw-220 engine,the MFC is capable of operating in how many modes?
    • A. 

      One

    • B. 

      Two

    • C. 

      Three

    • D. 

      Four

  • 9. 
    Which f100-pw-220 engine fuel system component controls pressurization of the core engine fuel systems?
    • A. 

      N2 sensor.

    • B. 

      P&D valve

    • C. 

      Fuel nozzle

    • D. 

      Fan inlet Tt2.5 sensor

  • 10. 
    Which stage of compressor air drives the augmenter fuel pump on an F100-PW-220 engine?
    • A. 

      7th

    • B. 

      10th

    • C. 

      13th

    • D. 

      14th

  • 11. 
    On the F100-PW-220 engine,which component controls the augmentor fuel control?
    • A. 

      Fuel pump.

    • B. 

      Fuel pump controller

    • C. 

      Signature elimination probe

    • D. 

      DEEC

  • 12. 
    Core engine fuel flow sequence on an F100-PW-220 engine starts at the main fuel pump and then goes through the
    • A. 

      Main fuel control,fuel/oil cooler,pressurizing and dump valve,and fuel nozzles.

    • B. 

      Fuel/oil cooler, pressurizing and dump ,main fuel control,and fuel nozzles.

    • C. 

      Augmentor fuel pump,augmentor fuel control,fuel/oil cooler,pressurizing and dump valve,and fuel nozzles.

    • D. 

      Augmenter fuel control augmentor fuel pump,fuel/oil cooler, pressurizing and dump valve ,and fuel nozzles.

  • 13. 
    Operational control of the F108-CF-100 engine is achieved by the use of the power lever, fuel shut-off lever,and
    • A. 

      Fuel pump

    • B. 

      Oil/fuel heat exchanger

    • C. 

      Air/fuel heat exchanger

    • D. 

      PMC

  • 14. 
    The f108 engine fuel pump contains a low-pressure stage (centrifugal boost stage) and a high-pressure
    • A. 

      Gear stage

    • B. 

      Gerotor stage

    • C. 

      Axial boost stage.

    • D. 

      Sliding vane stage

  • 15. 
    On an F108-CF-100 engine,the fuel injectors contain
    • A. 

      Only primary fuel flow passages.

    • B. 

      Only secondary fuel flow passages.

    • C. 

      Both primary and secondary,and auxiliary fuel flow passages.

    • D. 

      Primary, secondary,and auxiliary fuel flow passages.

  • 16. 
    What supplies th AE2100D3 FADEC with power until engine RPM is sufficient for the alternator stator to take control?
    • A. 

      Airplane 28 VDC power supply.

    • B. 

      NIU

    • C. 

      MIL-STD-1553B data bus.

    • D. 

      Mission computer.

  • 17. 
    What component is controlled by the AE2100D3 FADEC through the ENGINE START switch for normal engine shutdown or by the fire control handle for emergency shutdown?
    • A. 

      Servo valve

    • B. 

      Fuel check valve

    • C. 

      Electric shutoff valve

    • D. 

      Latching shutoff valve.

  • 18. 
    On the T56 engine controls the rotary movement of the fuel control metering valve?
    • A. 

      Temperature

    • B. 

      Engine speed

    • C. 

      Throttle position

    • D. 

      Compressor inlet pressure

  • 19. 
    On the T56 engine, what compares the desired throttle setting from the coordinator with the actual TIT signal from the thermocouples?
    • A. 

      TD valve.

    • B. 

      Speed-sensitive control

    • C. 

      TD potentiometers

    • D. 

      TD amplifier

  • 20. 
    Which T56 engine component sends the fuel to the fuel manifold?
    • A. 

      TD Valve .

    • B. 

      Main fuel pump.

    • C. 

      TD amplifier

    • D. 

      Fuel control

  • 21. 
    When the null orifice on the T56 engine TD valve is set at Zero,how much fuel will the valve bypass?
    • A. 

      0%

    • B. 

      10%

    • C. 

      20%

    • D. 

      30%

  • 22. 
    In addition to the visual inspection the T-56 engine fuel nozzle also requires what type of inspection?
    • A. 

      Nondestructive.

    • B. 

      Spray pattern

    • C. 

      Pre-torque

    • D. 

      Ultrasonic

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