Volume Four

41 Questions | Total Attempts: 41

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Volume Quizzes & Trivia

Questions and Answers
  • 1. 
    which 54H60-91 propeller subassembly transmits engine torque to the propeller blades?
    • 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 is a function of the pitchlock regulator?
    • A. 

      Stops the dome piston from increasing blade angle above 23.3 degrees

    • B. 

      Prevents the blades from decreasing pitch if hydraulic pressure is lost

    • C. 

      Prevents the cam bearing rollers from bottoming out in the track slopes

    • D. 

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

  • 4. 
    On the 54H60-91 propeller, which pitchlock component mechanically holds the stationary and rotating 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

  • 5. 
    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

  • 6. 
    On the 54H60-91 propeller, which dome assembly part allows the rotating cam to turn while the stationary cam remains in a fixed position?
    • A. 

      Roller shaft

    • B. 

      Track slopes

    • C. 

      Ball bearings

    • D. 

      Roller bearings

  • 7. 
    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 blade angles

    • C. 

      Prevents the blades from decreasing pitch if an overspeed condition occurs

    • D. 

      Transmits engine torque to the blades

  • 8. 
    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

  • 9. 
    On the 54H60-91 propeller, hydraulic fluid is directed from the pump housing to the barrel assembly through what component?
    • A. 

      Valve housing

    • B. 

      Low pitch stop

    • C. 

      Transfer bearing

    • D. 

      Pitchlock regulator

  • 10. 
    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

  • 11. 
    On the 54H60-91 propeller, during normal propeller operation, the outpu of which pumps is used?
    • A. 

      Main pressure and main scavenge

    • B. 

      Standby pressure and main scavenge

    • C. 

      Auxiliary pressure and main pressure

    • D. 

      Auxiliary pressure and auxiliary scavenge

  • 12. 
    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

  • 13. 
    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

  • 14. 
    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

  • 15. 
    The 54H60-91 propeller governor speeder spring tension positions the pilot valve to maintain what percent rpm in the beta range?
    • A. 

      99 to 103%

    • B. 

      104 to 108%

    • C. 

      109 to 113%

    • D. 

      114 to 118%

  • 16. 
    On the 54H60-91 propeller, when the throttle is moved to the GROUND IDLE position, what degree setting does the coordinator pointer indicate on the protractor?
    • A. 

      0 degrees

    • B. 

      18 degrees

    • C. 

      34 degrees

    • D. 

      90 degrees

  • 17. 
    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

  • 18. 
    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

  • 19. 
    What component in the T56 engine coordinator provides reference signals to the electronic TD amplifier that are proportional to the desired TIT?
    • A. 

      Feather shaft

    • B. 

      Potentiometer

    • C. 

      65 degrees microswitch

    • D. 

      66 degrees microswitch

  • 20. 
    On the 54H60-91 propeller, the output of what pump is sufficient to supply hydraulic pressure for normal propeller operation?
    • A. 

      Auxiliary pressure

    • B. 

      Standby pressure

    • C. 

      Backup pressure

    • D. 

      Main pressure

  • 21. 
    On the 54H60-91 propeller, if the main filter becomes clogged, which valve opens to assure continued flow?
    • A. 

      Check

    • B. 

      Bypass

    • C. 

      Low pressure relief

    • D. 

      High pressure relief

  • 22. 
    On the 54H60-91 propeller, which valve sets and maintains a pressure differential of about 100 psi between system pressure and the increase- or decrese-pitch pressure?
    • A. 

      Check

    • B. 

      Bypass

    • C. 

      Low-pressure relief

    • D. 

      High-pressure relief

  • 23. 
    On the 54H60-91 propeller, when the backup valve is opened, the hydraulic pressure routed t the governor pilot valve is used for which operation?
    • A. 

      Pitchlock

    • B. 

      Standby

    • C. 

      Reverse

    • D. 

      Airstart

  • 24. 
    On the 54H60-91 propeller, which pump is used to feather or unfeather the propeller during static propeller operation?
    • A. 

      Main

    • B. 

      Backup

    • C. 

      Standby

    • D. 

      Auxiliary

  • 25. 
    On the 54H60-91 propeller, which type of valve opens to allow the output of the standby pump to continue with the output of the main pump?
    • A. 

      Check

    • B. 

      Bypass

    • C. 

      Low pressure relief

    • D. 

      High pressure relief

  • 26. 
    The purpose of the 54H60-91 propeller 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

  • 27. 
    On the 54H60-91 propeller, what prevents engagement of the stationary and rotatin ratchets at blade angles 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

  • 28. 
    On the 54H60-91 propeller, between the blade angles of 25 degrees and 55 degrees, what will keep the rotating and stationary ratchets disengaged?
    • A. 

      An overspeed of 103.5%

    • B. 

      The pitchlock control cam

    • C. 

      A loss of hydraulic pressure

    • D. 

      Increase- or decrease pitch pressure

  • 29. 
    On the 54H60-91 propeller, the function of the low pitch stop is to prevent the
    • A. 

      Propeller barrel from decreasing blade angle below 23.3 degrees +/- .5 degrees

    • B. 

      Dome piston from decreasing blade angle below 23.3 degrees +/- .5 degrees

    • C. 

      Propeller barrel from decreasing blade angle below 34 degrees +/- .5 degrees

    • D. 

      Dome piston from decreasing blade angle below 34 degrees +/- .5 degrees

  • 30. 
    On the 54H60-91 propeller, what forces the stop levers on the low pitch stop to move outward?
    • A. 

      Wedge

    • B. 

      Servo valve

    • C. 

      Dome piston

    • D. 

      Hydraulic pressure

  • 31. 
    On the 54H60-91 propeller, when pressure builds to between 240 and 280 psi, which valve is unseated and allows the stop levers to retract?
    • A. 

      Low pressure relief

    • B. 

      Governor pilot

    • C. 

      Backup

    • D. 

      Servo

  • 32. 
    What is coordinated by the throttle in the controllable pitch range?
    • A. 

      Blade pitch and engine fuel flow

    • B. 

      Blade pitch and temperature limiting

    • C. 

      Engine fuel flow and constant speed governing

    • D. 

      Temperature limiting and constant speed governing

  • 33. 
    On the 54H60-91 propeller, during beta range operation, what moves the pilot valve?
    • A. 

      Throttle

    • B. 

      Hydraulic pressure

    • C. 

      Cams and mechanical linkage

    • D. 

      Flyweights and speeder spring

  • 34. 
    On the 54H60-91 propeller, during beta range operation, the rotation of which cam moves the mechanical linkage to center the governor pilot valve?
    • A. 

      Beta set

    • B. 

      Speed set

    • C. 

      Backup valve

    • D. 

      Beta follow-up

  • 35. 
    On the 54H60-91 propeller, during alpha range operation, which cam changes speeder spring tension so the governor pilot valve can maintain 100 percent rpm?
    • A. 

      Beta set

    • B. 

      Speed set

    • C. 

      Backup valve

    • D. 

      Beta follow-up

  • 36. 
    On the 54H60-91 propeller, during an underspeed condition, what moves the pilot valve?
    • A. 

      Decreased hydraulic pressure

    • B. 

      Increased hydraulic pressure

    • C. 

      Speeder spring

    • D. 

      Flyweights

  • 37. 
    On the 54H60-91 propeller, when feathering the propeller, what acts on the mechanical linkage to open the feather actuating valve?
    • A. 

      Throttle

    • B. 

      Beta shaft

    • C. 

      Pilot valve

    • D. 

      Manual feather cam

  • 38. 
    On the 54H60-91 propeller,  duing feathering operation, the feather valve is positioned to meter hydraulic fluid to the
    • A. 

      Aft end of the dome piston

    • B. 

      Forward end of the dome piston

    • C. 

      Decrease-pitch side of the pilot valve

    • D. 

      Increase-pitch side of the pilot valve

  • 39. 
    On the 54H60-91 propeller, which valve is a backup in case the feather valve fails during feathering operation?
    • A. 

      Pilot

    • B. 

      Feather solenoid

    • C. 

      Feather actuating

    • D. 

      Standby pump check

  • 40. 
    As the 54H60-91 propeller feathers, the output of which pump decreases (drops off)?
    • A. 

      Auxiliary pressure

    • B. 

      Auxiliary scavenge

    • C. 

      Main scavenge

    • D. 

      Feather

  • 41. 
    On the 54H60-91 propeller, during feather operation, between approximately what psi are the pressure cutout switch contacts opened?
    • A. 

      0 to 200

    • B. 

      300 to 500

    • C. 

      600 to 800

    • D. 

      900 to 1,100