2A651 Ure (All Volumes Mix)

100 Questions | Total Attempts: 60

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Volume Quizzes & Trivia

Questions and Answers
  • 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

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