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

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  • 1/22 Questions

    The main fuel control allows the engine to safely accelerate,reducing the possibility of

    • Flameout.
    • Turbine seizure.
    • Overtamperature.
    • Compressor shift.
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About This Quiz

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.

CDC Quizzes & Trivia

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  • 2. 

    What is the composition of jp-8 fuel?

    • Gasoline an Kerosene.

    • Diesel fuel and AV GAS.

    • Diesel fuel and kerosene.

    • Gasoline and diesel fuel.

    Correct Answer
    A. Gasoline an Kerosene.
  • 3. 

    The purpose of a fuel/oil cooler in a fuel system is to

    • Heat the fuel and cool the oil.

    • Cool the fuel and cool the oil.

    • Heat the fuel and heat the oil.

    • Cool the fuel and heat the oil.

    Correct Answer
    A. Heat the fuel and cool the oil.
  • 4. 

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

    • Replaced

    • Die marked

    • Safety sealed and/or lockwired.

    • Apply a thread locking compound.

    Correct Answer
    A. Safety sealed and/or lockwired.
  • 5. 

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

    • Pneumatic.

    • Fuel injection

    • Hydromechanical

    • Electrohydromechanical.

    Correct Answer
    A. Electrohydromechanical.
  • 6. 

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

    • MEC

    • PMG

    • DEEC

    • TSFC

    Correct Answer
    A. DEEC
  • 7. 

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

    • N2 sensor.

    • P&D valve

    • Fuel nozzle

    • Fan inlet Tt2.5 sensor

    Correct Answer
    A. P&D valve
  • 8. 

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

    • Airplane 28 VDC power supply.

    • NIU

    • MIL-STD-1553B data bus.

    • Mission computer.

    Correct Answer
    A. Airplane 28 VDC power supply.
  • 9. 

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

    • Nondestructive.

    • Spray pattern

    • Pre-torque

    • Ultrasonic

    Correct Answer
    A. Spray pattern
  • 10. 

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

    • Two.

    • Three.

    • Four.

    • Five.

    Correct Answer
    A. Four.
  • 11. 

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

    • One

    • Two

    • Three

    • Four

    Correct Answer
    A. Two
  • 12. 

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

    • Fuel pump

    • Oil/fuel heat exchanger

    • Air/fuel heat exchanger

    • PMC

    Correct Answer
    A. PMC
  • 13. 

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

    • 7th

    • 10th

    • 13th

    • 14th

    Correct Answer
    A. 13th
  • 14. 

    On the F100-PW-220 engine,which component controls the augmentor fuel control?

    • Fuel pump.

    • Fuel pump controller

    • Signature elimination probe

    • DEEC

    Correct Answer
    A. DEEC
  • 15. 

    On an F108-CF-100 engine,the fuel injectors contain

    • Only primary fuel flow passages.

    • Only secondary fuel flow passages.

    • Both primary and secondary,and auxiliary fuel flow passages.

    • Primary, secondary,and auxiliary fuel flow passages.

    Correct Answer
    A. Both primary and secondary,and auxiliary fuel flow passages.
  • 16. 

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

    • 0%

    • 10%

    • 20%

    • 30%

    Correct Answer
    A. 20%
  • 17. 

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

    • Gear stage

    • Gerotor stage

    • Axial boost stage.

    • Sliding vane stage

    Correct Answer
    A. Gear stage
  • 18. 

    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?

    • Servo valve

    • Fuel check valve

    • Electric shutoff valve

    • Latching shutoff valve.

    Correct Answer
    A. Latching shutoff valve.
  • 19. 

    Which T56 engine component sends the fuel to the fuel manifold?

    • TD Valve .

    • Main fuel pump.

    • TD amplifier

    • Fuel control

    Correct Answer
    A. TD Valve .
  • 20. 

    On the T56 engine controls the rotary movement of the fuel control metering valve?

    • Temperature

    • Engine speed

    • Throttle position

    • Compressor inlet pressure

    Correct Answer
    A. Compressor inlet pressure
  • 21. 

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

    • TD valve.

    • Speed-sensitive control

    • TD potentiometers

    • TD amplifier

    Correct Answer
    A. TD potentiometers
  • 22. 

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

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

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

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

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

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

Quiz Review Timeline (Updated): Mar 15, 2022 +

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

  • Current Version
  • Mar 15, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 09, 2011
    Quiz Created by
    Vison
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