M15 Gas Turbine Engine Sub-Module No 16 (Quiz :1)

Turbo Prop Engine

Quiz

 

1. As the aircraft speed increases over 450 mph the propeller will rapidly ------?
   1.   Gain efficiency
   2.   Lose efficiency
   3.   Experience high airflow
2. Turbo-propeller engines, use a propeller to convert ------ into thrust and do not rely on gas exit velocity ?
   1.   Centripetal force
   2.   Compressor power
   3.   Turbine power
3. The governor flyweights spin ---- and ------ to lift the control valve ?
   1.   Faster, outwards
   2.   Slower , inward
   3.   Faster , forward
4. Most reduction gear assemblies use a ------- reduction ?
   1.   Planetary gear
   2.   Spur gear
   3.   Epicyclic reduction gear
5. 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
6. The power output of a turbo-propeller engine is stated in ?
   1.   Horsepower
   2.   Thrust horsepower (thp)
   3.   Shaft horsepower (shp)
7. The maximum propeller speed for any power lever angle is controlled by the ?
   1.   Propeller speed governor
   2.   Propeller pitch control unit (pcu)
   3.   Fuel supply
8. When it is increased the propeller blade angle increases to absorb the increased engine power output ?
   1.   Engine rpm
   2.   Aircraft speed
   3.   Fuel supply
9. Turbo-propeller control assemblies have a feathering system that feather the propeller when the engine is shut down -----?
   1.   During take off/ landing
   2.   At ground
   3.   In flight
10. Over-speeds cause extreme ------ to the propeller and the engine and can lead to rapid and total failure and in some cases to the loss of the aircraft in flight ?
    1.   Torque
    2.   Stress
    3.   Load

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M15 Gas Turbine Engine Sub-Module No 15 Power Augmentation (Quiz :1)

Power Augmentation

Quiz

 

1. As the atmospheric pressure decreases with altitude, and/or the ambient air temperature increases ?
   1.   There is, a reduction in thrust
   2.   There is, a increase in thrust
   3.   There is, a increase in shaft horsepower
2. The injection of coolant into the combustion chamber inlet is usually more suitable for ?
   1.   Centrifugal flow compressor engines
   2.   Axial flow compressor engines
   3.   Reciprocating Engine
3. Water injection systems are not normally used on ?
   1.   Turbojet engines
   2.   Low bypass turbofan engines
   3.   High bypass turbofan engines
4. While water is flowing In Augmentation Sytem Resulting RPM is usually----- ?
   1.   Lower
   2.   Higher
   3.   Constant
5. Afterburning provides the best method of thrust augmentation for ?
   1.   Short periods
   2.   Long periods
   3.   During landing
6. The area of the afterburning jet pipe is larger than a normal jet pipe would be for the same engine to obtain a ?
   1.   Reduced velocity gas stream
   2.   Increased velocity gas stream
   3.   Reduced pressure gas stream
7. The temperature of the afterburner flame can be in excess of ?
   1.   1500 deg c
   2.   1600 deg c
   3.   1700 deg c
8. The thrust of an afterburning engine, without afterburning in operation, is _______ than that of a similar engine not fitted with afterburning equipment ?
   1.   Slightly more
   2.   Slightly less
   3.   Considerably more
9. The afterburning jet pipe is made from a heat resistant ?
   1.   Copper alloy
   2.   Titanium alloy
   3.   Nickel alloy
10. Fuel is sprayed in to the flame area between the flame stabilizers from holes in the?
    1.   Downstream edge of the manifolds
    2.   Upstream edge of the manifolds
    3.   Midtream edge of the manifolds

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M15 Gas Turbine Engine Sub-Module No 14(Quiz :1)

Engine indication systems

Quiz

 

1. The EGT indicator in the flight deck shows____ temperature measured by the individual thermocouples ?
   1.   The total
   2.   The average
   3.   The single
2. It is a secondary engine instrument parameter ?
   1.   RPM
   2.   Vibration
   3.   Pressure
3. A tachometer generator is mounted on the ?
   1.   Accessory gearbox
   2.   Calm shaft
   3.   Top of the engine
4. The EPR gauge presents an indication of the______ being developed by the engine ?
   1.   Pressure
   2.   RPM
   3.   Thrust
5. The P1 probe is electrically heated by ?
   1.   26v dc power
   2.   115v ac power
   3.   28v dc power
6. In an aircraft application, it is very important ?
   1.   Speed
   2.   Thrust
   3.   The power-to-weight ratio
7. The EGT indicator is a hermetically sealed unit ,The instrument’s scale ranges from ?
   1.   0 °c to 1 700 °c
   2.   0 °c to 1 200 °c
   3.   100 °c to 1 200 °c
8. The actual EPR is typically displayed as a__________on the EICAS display ?
   1.   Green vertical bar
   2.   Black vertical bar
   3.   White vertical bar
9. The EPR indicator displays the EPR in ?
   1.   Digital form
   2.   Analogue form
   3.   A & B
10. To give digital values of EPR or IEPR, the signals are transmitted on the ?
    1.   Arinc 629 data buses
    2.   Arinc 429 data buses
    3.   A & B

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