Aircraft Gas Turbine Engines Quiz

At what rpm would a Spray clutch engage on a turboshaft engine?

• At minimum RPM.

• At zero RPM.   

• At idle RPM. 

• At low RPM.

On turboshaft engines, movement of the throttle adjusts the engine fuel flow to provide the desired power without exceeding:

• The load and turbine inlet temperature limitations of the engine.

   

• The RPM and turbine inlet temperature limitations of the engine.

• The air pressure and turbine inlet temperature limitations of the engine.

• The oil pressure and turbine inlet temperature limitations of the engine.

Thrust in a high bypass engine is indicated by measuring

• N3 RPM

• N2 RPM

• Neither of the above, thrust is not indicated in flight

• Fuel flow

E.G.T thermocouples are usually made of

• Nickel and platinum

• Chromel and platinum

• Chromel and alumel

• Chromel and Nickel

What power supply is required for a thermocouple system to work?

• Alternating current

• Direct current

• Alternating current and Direct current

• Neither of the above

Torque measurement in a gas turbine engine is

• Not always reliable

• Highly reliable

• Low reliable

• Required only when the turbine drives a propeller

Vibration pick-ups are located

• On both fan and turbine cases

• On the fan case

• On the compressor case

• On the turbine case

Vibration signals, when picked up

• Go straight to indicator

• Go through half wave rectifier to indicator

• The frequencies to indicator

• The frequencies are filtered to exclude unwanted frequencies

A free turbine is usually found on a

• Turbojet.

• Turbofan.

• Turbo prop.

• Turboshaft and Turboprop.

In a capacitive type OF fuel quantity indicating system the tank units are connected in

• Series

• Parallel

• Series or parallel

• Series and parallel