M15 Gas Turbine Engine Sub-Module No 17 (Quiz : No 1)

Turboshaft Engines

Quiz

1 / 10

1. The turbo shaft engine’s output is measured in ?
   1.   Horsepower
   2.   Thrust
   3.   Shp
2. The primary purpose for turbo shaft engines in aviation is their use as the main power plant for ?
   1.   Turbojet aircraft
   2.   Turbofan aircraft
   3.   Helicopters
3. The drive shaft itself must also carry ?
   1.   Tension loads
   2.   Compression loads
   3.   Torsion loads
4. The power plant is controlled between ground and flight idle by the ?
   1.   Free turbine governor
   2.   Throttle twist grip
   3.   Auto governor
5. The N1 system will speed up and slow down as a function of ?
   1.   N2
   2.   N7
   3.   N4
6. The collective stick, when raised, the angle of attack of all rotor blades ?
   1.   not related to stick
   2.   will decrease
   3.   will increase
7. The _____ allows for small movements between the engines and the transmission ?
   1.   Fexible coupling
   2.   A sprag clutch
   3.   Rigid coupling
8. Helicopter rotors tend to rotate at ?
   1.   3000-4000 rpm
   2.   300-400 rpm
   3.   1600-1700 rpm
9. About___________ of the energy produced by a helicopter turbo shaft engine is used to operate the gas generator ?
   1.   Half
   2.   Two thirds
   3.   One thirds
10. The function of ----- is to reduce the high rpm from the engine to a propeller RPM ?
    1.   Propeller speed governor
    2.   Power lever
    3.   Reduction gear assembly