2A651 Volume 4

18 Questions

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Networking Quizzes & Trivia

Questions and Answers
  • 1. 
    Which 54H60-91 propeller subassembly transmits engine torque to the propeller baldes?
    • A. 

      Barrel

    • B. 

      Control

    • C. 

      Low pitch stop

    • D. 

      Pitchlock regulator

  • 2. 
    On the 54H60-91 propeller, which component delivers the actual propeller blade angle from the blade to the control assembly?
    • A. 

      Microadjusting ring

    • B. 

      Beta feedback shaft

    • C. 

      Blade segment gear

    • D. 

      Blade bushing

  • 3. 
    On the 54H60-91 propeller which pitchlock component mechanically holds the stationary and rotationg pitchlock ratchets apart during reversing and unfeathering operations?
    • A. 

      Pitchlock control cam

    • B. 

      Pitchlock ratchet piston

    • C. 

      Externally threaded ring

    • D. 

      Externally splined spacer ring

  • 4. 
    On the 54h60-91 propeller which component is used in place of a shim plate on the No. 1 blade?
    • A. 

      Beveled thrust washer

    • B. 

      Stationary ratchet

    • C. 

      Beta segment gear

    • D. 

      Blade barrel shim

  • 5. 
    On the 54h60-91 propeller what function is a task of the low pitch stop assembly?
    • A. 

      Prevents the propeller from going into the beta range when the throttle is positioned in the alpha range

    • B. 

      Limits cam travel and prevents the propeller from exceeding feather and reverse angles

    • C. 

      Prevents the blades from decreasing pitch if an overspeed condition occurs

    • D. 

      Transmits engine torque to the blades

  • 6. 
    On the 54h60-91 propeller which component provides a means for balancing the propeller?
    • A. 

      Deicer contact ring holder

    • B. 

      Hub mounting bulkhead

    • C. 

      Front spinner

    • D. 

      Afterbody

  • 7. 
    On the 54h60-91 propeller hydraulic fluid is directed from the pump housing to the barrel assembly through what component?
    • A. 

      Valv housing

    • B. 

      Low pitch stop

    • C. 

      Transfer bearing

    • D. 

      Pitchlock regulator

  • 8. 
    On the 54h60-91 propeller what is the function of the differential gear train assembly?
    • A. 

      Drives the main and standby pressure pumps

    • B. 

      Controls operation of the pilot valve and serves as an electrical ground

    • C. 

      Drives the rotating sleeve when the throttle is positioned in the beta range

    • D. 

      Transmits blade angle movement to the valve housing and drives the propeller governor flyweights

  • 9. 
    On the 54h60-91 propeller which pump assists the main pressure pump when large blade angle movements are required?
    • A. 

      Main scavenge

    • B. 

      Standby pressure

    • C. 

      Auxiliary pressure

    • D. 

      Auxiliary scavenge

  • 10. 
    On the 54h60-91 propeller which cam disarms the NTS system linkage when the throttle is positioned in the beta range?
    • A. 

      Manual feather

    • B. 

      Beta follow up

    • C. 

      Speed set

    • D. 

      Beta set

  • 11. 
    On the 54h60-91 propeller which valve contained in the valve housing controls the flow of hydraulic fluid to and from the dome assembly?
    • A. 

      Standby

    • B. 

      Feather

    • C. 

      Backup

    • D. 

      Pilot

  • 12. 
    The 54h60-91 propeller governor speeder ring tension positions the pilot valve to maintain what percent rpm in the beta range?
    • A. 

      99-103%

    • B. 

      104-108%

    • C. 

      109-113%

    • D. 

      114-118%

  • 13. 
    On the 54h60-91 propeller when throttle is moved to the GROUND IDLE position what degree setting does the coordinator pointer indicate on the protracter?
    • A. 

      0

    • B. 

      18

    • C. 

      34

    • D. 

      90

  • 14. 
    What switch located in the control quadrant activates the 54H -60-91 propeller governor speed bias servo assembly as the throttle is moved into the flight idle gate?
    • A. 

      Beta indicator

    • B. 

      Landing gear warning

    • C. 

      Low speed ground idle

    • D. 

      Synchrophaser disarming

  • 15. 
    The condition lever GND STOP position is only effective on the ground because the circuits made in this position are completed through what switches?
    • A. 

      Landing gear touchdown

    • B. 

      Low speed ground idle

    • C. 

      Landing gear warning

    • D. 

      Air start

  • 16. 
    What component in the T56 engine coordinator provides refrence signals to the electronic TD amplifier that are proportional to the desired TIT?
    • A. 

      Feather shaft

    • B. 

      Potentiometer

    • C. 

      65 degree microswitch

    • D. 

      66 degree microswitch

  • 17. 
    The purpose of the 54H60-91 pitchlock assembly is to prevent?
    • A. 

      The loss of oil pressure

    • B. 

      An engine overspeed due to a loss of power

    • C. 

      The flow of hydraulic fluid to the pilot valve

    • D. 

      An engine overspeed due to a loss of hydraulic pressure

  • 18. 
    On the 54h60-91 propeller what prevents engagement of the stationary and rotating ratchets at blad eangles below 25 degrees and above 55 degrees?
    • A. 

      An overspeed of 103.5%

    • B. 

      The pitchlock control cam

    • C. 

      A loss of hydraulic pressure

    • D. 

      Increase or decrease pitch pressure