Volume 2. 2A651 CDC ( Q 45-58)

14 Questions | Attempts: 126
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  • 1/14 Questions

    What is the total gear reduction ratio of the RGB?

    • 3.125:1.
    • 4.333:1.
    • 12.85:1.
    • 13.54:1.
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  • 2. 

    On the T56 turboprop engine, what is the overall reduction ratio of the RGB's main reduction gear train?

    • .3125 to 1.

    • 4.333 to 1.

    • 13.54 to 1.

    • 13,820 to 1.

    Correct Answer
    A. 13.54 to 1.
  • 3. 

    The major sections of a turboprop engine are the power unit,torquemeter assembly, and

    • Turbine assembly.

    • Compressor assembly.

    • Combustion assembly

    • RGB assembly.

    Correct Answer
    A. RGB assembly.
  • 4. 

    The torquemeter exciter wheels are in phase when

    • The shaft power output is transmitted from the power unit.

    • Negative or positive torque is transmitted to the torque indicator.

    • The rectangular teeth on the exciter wheels are aligned at zero torque.

    • There is a change in the torque transmitted to the torque shaft exciter wheel

    Correct Answer
    A. The rectangular teeth on the exciter wheels are aligned at zero torque.
  • 5. 

    On the T56 turboprop engine, how many stages of reduction are in the RGB's main reduction gear train?

    • 1.

    • 2.

    • 3.

    • 4.

    Correct Answer
    A. 2.
  • 6. 

    On the T56 turboprop engine, which compressor section assembly disperses compressor discharge air and directs it to the combustion chambers?

    • Diffuser.

    • Compressor rotor.

    • Compressor housing.

    • Compressor air inlet housing.

    Correct Answer
    A. Diffuser.
  • 7. 

    Which valve in the propeller control assembly is actuated by the NTS actuator rod to increase propeller blade angle?

    • Pilot.

    • Feather.

    • Beta backup.

    • Alpha backup

    Correct Answer
    A. Feather.
  • 8. 

    On the T56 turboprop engine, there are mounting pads on the aft side of the accessory drive for the fuel control, fuel pump,and

    • Speed-sensitive valve.

    • Engine main oil pump.

    • Speed-sensitive control.

    • External scavenge oil pump.

    Correct Answer
    A. External scavenge oil pump.
  • 9. 

    In the T56 engine, which RGB component rotates at the same speed as the power unit rotors?

    • Sun gear.

    • Ring gear.

    • Main drive gear.

    • Pinion input gear.

    Correct Answer
    A. Pinion input gear.
  • 10. 

    The perpose of the T56 safety coupling is to

    • Prevent overspeed of the propeller.

    • Increase propeller pitch as negative torque occurs.

    • Maintain constant engine speed by decreasing propeller blade angle.

    • Disconnect the power section from the RGB assembly

    Correct Answer
    A. Disconnect the power section from the RGB assembly
  • 11. 

    The propeller brake is in which position when the aircraft is on the ground and the engine is stopped?

    • Locked.

    • Applied

    • Engaged.

    • Released.

    Correct Answer
    A. Applied
  • 12. 

    What is not a propeller brake positions?

    • Locked.

    • Applied.

    • Engaged.

    • Released

    Correct Answer
    A. Engaged.
  • 13. 

    The amount of twisting deflection is determined by the

    • Torque shaft.

    • Reference shaft.

    • Safety coupling

    • Pinion input gear.

    Correct Answer
    A. Torque shaft.
  • 14. 

    Which  components comprise the torquemeter assembly?

    • Torque shaft, torquemeter housing,and front coupling assembly.

    • Two concentric shafts, torquemeter housing,and torquemeter pickup.

    • Two outer shafts, torquemeter pickup assembly, and torquemeter backup assembly.

    Correct Answer
    A. Torque shaft, torquemeter housing,and front coupling assembly.

Quiz Review Timeline (Updated): Jan 22, 2013 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jan 22, 2013
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 21, 2010
    Quiz Created by
    Vison
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