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

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

Flameout.

Turbine seizure.

Overtamperature.

Compressor shift.

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.

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.

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.

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.

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

MEC

PMG

DEEC

TSFC

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

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.

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

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.

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

One

Two

Three

Four

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

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

7th

10th

13th

14th

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

Fuel pump.

Fuel pump controller

Signature elimination probe

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.

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%

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

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.

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

TD Valve .

Main fuel pump.

TD amplifier

Fuel control

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

Temperature

Engine speed

Throttle position

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