DC MOTORS – Air – DGCA Question Bank For Politics

#1. Rotary actuators are used for:

undercarriage retraction.

centre of gravity assessment.

operation of fuel cocks.

movement of control surfaces.

#2. Actuator normal travel is controlled by:

a clutch.

limit micro switches.

mechanical indicators.

mechanical stops.

#3. AC current from an engine driven generator is converted to DC current by:

commutator

a convertor.

an alternator.

a rotary actuator.

#4. On a twin engined DC aircraft having two DC generators load sharing is achieved by:

equalising engine RPM’s

an equalising circuit to sense the difference and equalise the voltages of the two generators

synchronising relays and voltage coil tuners

an equalising circuit to sense the difference and equalise the field currents of the two generators

#5. Pilots are informed of rotary actuator positions by:

non return valves.

lights or dolls eye indicators.

travel indicators.

veger counters.

#6. To supply direct current from a generator giving alternating current it is normal to fit:

a commutator

a rotary inverter.

an alternator.

a static inverter.

#7. Press to test lights are used:

to indicate to the pilot that the circuit has power and is complete.

to control the movement of a rotary actuator.

to indicate to the pilot that the circuit has operated.

only to indicate to the pilot that the equipment has malfunctioned.

#8. A device for changing AC to DC is:

an inverter.

a rotary transformer.

a rectifier.

an alternator.

#9. An inching control is used in conjunction with:

a linear actuator.

a rotary actuator.

a combination of linear and rotary actuator.

a rectifier.

#10. Friction clutches are fitted to actuators for:

protection against mechanical overload.

protection against brake on loads.

protection against non return valve failure.

protection against supply failures.

Dgca Question Bank For Pilots

Results

#1. Rotary actuators are used for:

#2. Actuator normal travel is controlled by:

#3. AC current from an engine driven generator is converted to DC current by:

#4. On a twin engined DC aircraft having two DC generators load sharing is achieved by:

#5. Pilots are informed of rotary actuator positions by:

#6. To supply direct current from a generator giving alternating current it is normal to fit:

#7. Press to test lights are used:

#8. A device for changing AC to DC is:

#9. An inching control is used in conjunction with:

#10. Friction clutches are fitted to actuators for: