Engine System Components Quiz

100 Questions | By Wafbprops | Last updated: Mar 20, 2022 | Total Attempts: 902

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These are the UREs from the third volume of CDCs. Use these and your volumes as a study tool for the EOC. Good luck!

Questions and Answers

1.

What is the coposition of JP8?
- A.
  
  Gasoline and kerosene
- B.
  
  Diesel fuel and kerosene
- C.
  
  Diesel fuel and AV gas
- D.
  
  Gasoline and diesel fuel
2.

At room temperature how many times longer does it take water to settle in JP8 than in gasoline?
- A.
  
  1
- B.
  
  2
- C.
  
  4
- D.
  
  5
3.

The main fuel control allows the engine to safetly accelerate reducing the possibility of a
- A.
  
  Flameout
- B.
  
  Turbine seizure
- C.
  
  Overtemp
- D.
  
  Compressor shift
4.

The purpose of the fuel oil cooler is to
- A.
  
  Heat the fuel and cool the oil
- B.
  
  Heat the oil and cool the fuel
- C.
  
  Heat the oil and heat the fuel
- D.
  
  Cool the fuel and cool the oil
5.

Which type of fuel control uses items such as thermocouples, relays, amplifiers, and solinoids to help control a jet engine?
- A.
  
  Pneumatic
- B.
  
  Fuel injection
- C.
  
  Hydromechanical
- D.
  
  Hydroelectromechanical
6.

On fuel controls that require setting during an engine trim , screws must be
- A.
  
  Replaced
- B.
  
  Dye marked
- C.
  
  Safety sealed or lockwired
- D.
  
  Apply a thread locking compound
7.

When in primary mode, what controls the operation of the F100 engine?
- A.
  
  Mec
- B.
  
  Pmg
- C.
  
  Deec
- D.
  
  Tsfc
8.

On the f100 engine, the MFC is capable of operating in how many modes
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
9.

Which F100 engine fuel system component controls pressurization of the core engine fuel system?
- A.
  
  N2 sensor
- B.
  
  P&D valve
- C.
  
  Fuel nozzle
- D.
  
  Fan inlet sensor
10.

Which stage of compressor air drives the augmentor fuel pump on the F100 engine
- A.
  
  7th
- B.
  
  10th
- C.
  
  13th
- D.
  
  14th
11.

On the F100 enigne, which component controls the augmentor fuel control?
- A.
  
  Fuel pump
- B.
  
  Fuel pump controller
- C.
  
  Signature elimination probe
- D.
  
  DEEC
12.

Operational control of the F108 engine is acheived by the use of the power lever, fuel shutoff lever and
- A.
  
  Fuel pump
- B.
  
  Oil heat exchanger
- C.
  
  Air fuel exchanger
- D.
  
  PMC
13.

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
14.

On the F108 engine the fuel injectors contain
- A.
  
  Only primary fuel flow passages
- B.
  
  Only secondary fuel flow passages
- C.
  
  Both primary and secondary fuel flow passages
- D.
  
  Primary, secondary, and auxiliary fuel flow passages
15.

What supplies the AE2100D3 FADEC with power untill the 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
16.

What component is controled 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 vavle
- C.
  
  Electric shutoff valve
- D.
  
  Latching shutoff valve
17.

In the T56 engine how many and what type of fuel pumps are contained in the fuel pump
- A.
  
  3 gear 1 boost
- B.
  
  2 gear 2 boost
- C.
  
  2 gear 1 boost
- D.
  
  1 gear 2 boost
18.

What T56 engin controls the rotary movement of the fuel control metering vavle
- 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 to zero, how much fuel will the valve bypass?
- A.
  
  0%
- B.
  
  10%
- C.
  
  20%
- D.
  
  30%
22.

In addition to the visual inspection the T56 engine fuel nozzle also requires what type of inspection
- A.
  
  Nondestructive
- B.
  
  Spray pattern
- C.
  
  Pre-torque
- D.
  
  Ultrasonic
23.

Which type of oil cooler operates on the ame principles as a car radiator
- A.
  
  Air
- B.
  
  Fuel
- C.
  
  Hydraulic
- D.
  
  Pneumatic
24.

When an engine is not operating, static preload for a carbon seal is provided by
- A.
  
  Air pressure
- B.
  
  Spring pressure
- C.
  
  Oil pressure
- D.
  
  Hydraulic pressure
25.

The F100 engine oil pressure varies with N2 speed, engine inlet oil temperature, and
- A.
  
  Oil jet pressure
- B.
  
  Fan turbine speed
- C.
  
  Oil nozzle condition
- D.
  
  Number of oil jets used