2A651 Ure (All Volumes Mix)
- 1.What type of oil seal has soft metal as its basic composition and allows a small amount of airflow to prevent oil seepage?
- A.
Silicone
- B.
Carbon
- C.
Synthetic
- D.
Labyrinth
- 2.Who monitors flying and maintenance schedules and maintains visibility of fleet health indicators?
- A.
Operations Support Center
- B.
Logistics Support Squadron
- C.
Operations Support Squadron
- D.
Maintenance Operations Center
- 3.Which type of oil system stores the oil in a tank fitted to the side of the engine?
- A.
Dry sump
- B.
Wet sump
- C.
Cold tank
- D.
Hot tank
- 4.Which section of a jet engine introduces and burns fuel?
- A.
Turbine
- B.
Diffuser
- C.
Compressor
- D.
Combustion
- 5.On an F100-PW–220 engine, what component permits oil to bypass the oil filter during cold weather starts?
- A.
Oil relief valve
- B.
Filter poppet valve
- C.
Oil pressure transmitter tap
- D.
Filter assembly bypass valve
- 6.How many months must you have in the Air Force before you may attend the Airman Leadership School (ALS)?
- A.
24
- B.
36
- C.
48
- D.
60
- 7.What are microscopic metallic particles in the oil system called?
- A.
Wear metals
- B.
Friction metals
- C.
Precious metals
- D.
Transformation metals
- 8.Which method of producing thrust does a turboprop engine use?
- A.
Using only the energy expended through the exhaust nozzle to propel the aircraft forward
- B.
Using the same working fluid for propulsive force as that used within the engine
- C.
Accelerating a large mass of air through a small velocity change
- D.
Moving a small quantity of air through a large velocity change
- 9.Under what condition would you not receive an OAP laboratory sample report?
- A.
The sample is the first taken after an oil change
- B.
The aircraft is on TDY
- C.
It was a special oil sample
- D.
The results are normal
- 10.Air Force occupational safety and health (AFOSH) standards are located within Air Force publication series
- A.
91
- B.
66
- C.
127
- D.
161
- 11.Which unit of an AC ignition system develops 20,000 volts?
- A.
Inverter
- B.
Capacitor
- C.
Generator
- D.
Transformer
- 12.On an average, what percent of all the energy produced by the fuel is required to maintain the engine operating cycle?
- A.
50
- B.
60
- C.
70
- D.
80
- 13.How many independent circuits are within an F100-PW–100 engine ignition system?
- A.
One
- B.
Two
- C.
Three
- D.
Five
- 14.Vane-type fuel pumps used in jet engines are similar to
- A.
Sliding-vane air compressors
- B.
Piston pump air compressors
- C.
Roots air compressors
- D.
Turbo-superchargers
- 15.What component monitors the AE2100D3 ignition exciters spark rate?
- A.
Full Authority Digital Electronic Control (FADEC)
- B.
Gearbox Mounted Accessory Drive (GMAD)
- C.
Power Unit Accessor Drive (PUAD)
- D.
Nacelle Interface Unit (NIU)
- 16.Who is responsible for providing you with training on how to wear, use, and maintain personal protective equipment?
- A.
Safety
- B.
Hospital
- C.
Supervisor
- D.
Environmental
- 17.Which type of combustion chamber does the JFS use?
- A.
Can
- B.
Annular
- C.
Can-annular
- D.
Restricted flow
- 18.Fuel that accumulates after a failed start is
- A.
Returned to the fuel control by tubes
- B.
Drained overboard by a drain system
- C.
Burned on the next start attempt
- D.
Allowed to evaporate
- 19.Discharge air used for aircraft engine anti-icing to heat-critical areas is taken from which engine area?
- A.
Compressor
- B.
Combustion
- C.
Augmentor
- D.
Turbine
- 20.Which supply document provides a means for organizations to review all document numbers processed during the day by the Standard Base Supply System (SBSS)?
- A.
Priority Monitor Report (D18)
- B.
Daily Document Register (D04)
- C.
Due-out Validation Listing (M30)
- D.
Repair Cycle Asset Management Listing (D23)
- 21.Which characteristic is the most common cause of bearing failure?
- A.
Transient vibration
- B.
Partial loss of lubrication
- C.
Complete loss of lubrication
- D.
Stall condition over temperature
- 22.What law does the C-D supersonic inlet use to slow down the airflow?
- A.
Ohm’s law
- B.
Bernoulli’s law
- C.
Newton’s first law
- D.
Newton’s third law
- 23.The purpose of the exhaust duct is to
- A.
Swirl exhaust gas-flow
- B.
Equalize exhaust gas-flow
- C.
Straighten exhaust gas-flow
- D.
Modulate exhaust gas-flow
- 24.An F110-GE–129 engine contains how many stages of VSV?
- A.
2
- B.
3
- C.
5
- D.
7
- 25.The “fir tree” method of attaching turbine blades (buckets) to the turbine rotor disc is preferred because
- A.
Of the temperature differential between the turbine rotor disc and the blades
- B.
It aids in preventing horizontal movement of the blades
- C.
There is more blade tip shake during engine operation
- D.
It aids in preventing axial movement of the bucket
Questions: 40 | Attempts: 1285 | Last updated: Jan 17, 2013
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