2A651 Volume 3 Ure's
Volume 3 ure's
- 1.What is the composition of jp-8 fuel?
- A.
Gasoline and kerosene
- B.
Gasoline and diesel fuel
- C.
Diesel fuel and kerosene
- D.
Diesel fuel and aviation gasoline
- 2.At room temperature, how many times longer willit take water to settle out of jp-8 that out of gasoline?
- A.
2
- B.
3
- C.
4
- D.
5
- 3.Jet aircraft operating at moderately high altitudes increase the fuel system's susceptibility to an icing condition, further aggravated by the?
- A.
Lower viscosity of jet fuels
- B.
Higher viscosity of jet fuels
- C.
Lower viscosity of free water
- D.
Higher viscosity of free water
- 4.The main fuel control allows the jet engine to safety accelerate, reducing the possibility of?
- A.
Flameout
- B.
Turbine seizure
- C.
Compressor shift
- D.
Overtemperature
- 5.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
- 6.During a visual inspection, how can you tell when a fuel filter is clogged?
- A.
A green flag pops out of the filter
- B.
Fuel pressure from the fuel pump is low
- C.
A differential pressure indicator is actuated
- D.
There is no way to tell without disassembling the filter
- 7.On a dual-spool, axial-flow engine, what controls thrust production of the engine?
- A.
Regulating engine rpm
- B.
Regulating compressor discharge pressure
- C.
Controlling turbine exhaust pressure
- D.
Controlling turbine inlet temperature
- 8.During jet engine deceleration, a hydromechanical fuel control schedules fuel flow as a function of?
- A.
Rpm
- B.
Inlet temperature
- C.
Burner pressure
- D.
Inlet pressure
- 9.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
- 10.Which term describes a jet engine fuel metering device that is really two fuel controls in one component?
- A.
Unified
- B.
Combined
- C.
Binmechanical
- D.
Electrosecondary
- 11.Calibration and/or adjustment screws that require setting during an engine trim procedure must be?
- A.
Replaced
- B.
Die marked
- C.
Safety sealed and/or lockwired
- D.
Applied a thread locking compound
- 12.When in primary mode, what controls the operation of the f100-pw-220 engine?
- A.
Mec
- B.
Pmg
- C.
Tsfc
- D.
Deec
- 13.On an f100-pw-220 engine, the deec is cooled by?
- A.
Oil
- B.
Fuel
- C.
Ram air
- D.
Hydraulic fluid
- 14.On an f100-pw-220 engine, how many modes is the mfc capable of operating in?
- A.
1
- B.
2
- C.
3
- D.
4
- 15.Which f100-pw-220 engine fuel system component controls pressurization of the core engine fuel system?
- A.
Fuel nozzle
- B.
P&d vale
- C.
N2 sensor
- D.
Tt 2.5 sensor
- 16.Which stage of compressor air drives the augmenter fuel pump on an f100-pw-200 engine?
- A.
7th
- B.
10th
- C.
13th
- D.
14th
- 17.Core engine fuel flow sequence on an f100-pw-220 engine starts at the main fuel pump and then goes through the?
- A.
Afp, afc, fule/oil cooler, p&d, and fuel nozzles
- B.
Mfc, fuel/oil cooler, p&d, and fuel nozzles
- C.
Afc, afp, fuel/oil cooler, p&d, and fuel nozzles
- D.
Fuel/oil cooler, p&d, mfc, and fuel nozzles
- 18.On the t56 engine, how many and what type of fuel pumps are contained in the fuel pump and filter assembly?
- A.
3 gear; 1 boost
- B.
2 gear; 2 boost
- C.
2 gear; 1 boost
- D.
1 gear; 2 boost
- 19.On a t56 engine, what controls the rotary movement of the fuel control metering valve?
- A.
Temperature
- B.
Engine speed
- C.
Throttle position
- D.
Compressor inlet pressure
- 20.Which t56 engine component receives 120 percent of the engine fuel requirement?
- A.
Td valve
- B.
Fuel control
- C.
Td control
- D.
Fuel nozzle
- 21.In addition to the visual inspection, what other type of inspection does the t56 engine fuel nozzle require?
- A.
Nondestructive
- B.
Spray pattern
- C.
Pre-torque
- D.
Ultrasonic
- 22.In what position must the td valve switches be placed in order to make the t56 engine fuel trimming system inoperative?
- A.
Off
- B.
Null
- C.
Auto
- D.
Locked
- 23.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 amplifiers
- 24.Which t56 engine component sends the fuel to the fuel manifold?
- A.
Td valve
- B.
Main fuel pump
- C.
Td amplifier
- D.
Fuel control
- 25.On the t56 engine, the manifold pressure switch opens to de-energize the fuel enrichment relay when fuel pressure, in psi, in the manifold reaches?
- A.
30 psi
- B.
40 psi
- C.
50 psi
- D.
60 psi
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