GAS TURBINE AUXILIARY POWER UNIT AND ENGINE TESTING – Air

APU’s provide emergency hydraulics power for the brakes only.

APU’s provide electrical, pneumatic and hydraulic power for ground use only.

APU’s provide electrical, pneumatic and hydraulic power for air use only and can provide an amount of thrust.

APU’s provide electrical, pneumatic and hydraulic power for ground and air use and can provide an amount of thrust.

Will need to be shut down immediately.

Will shut down immediately.

Will shut down immediately and if the fire persists the fire bottles will automatically be fired.

Will need to be shut down immediately and the fire bottles will be required to be fired immediately.

overspeed of compressor

over-temp of lubrication system

turbine over-temp

combustion chamber over-temp

Emergency hydraulic power for the flaps and slats only.

Emergency hydraulic power for the undercarriage.

Emergency hydraulic power for the elevator, rudder and ailerons along with possible emergency electrical power.

Emergency hydraulic power for the brakes along with possible emergency electrical power.

Ground power unit.

Aircraft main DC battery.

Aircraft main engine generator.

Aircraft main AC battery.

Dgca Question Bank For Pilots