CDC 2A651 Volume 4. Propellers And Small Gas Turbines (Q 1-15)

15 Questions | By Vison | Updated: Jan 22, 2013 | Attempts: 293

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Shrot practice tes on Propellers and Small Gas Turbines.

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
- 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 parts 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 bearings.
- 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 output of which pumps is used?
- A.
  
  Main pressure and main scavenge.
- B.
  
  Standby pressure and main scavenge.
- C.
  
  Auxiliiary 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%