Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

Question 1

When in flight, a piston engine is stopped and the propeller blade pitch angle is near 90°, the propeller is said to be...

Accepted Answer

Feathered.

Answer

Windmilling.

Answer

At zero drag.

Answer

Transparent.

Question 2

In a pressurized aircraft, the first aid (therapeutic) oxygen is designed to:

Accepted Answer

Give medical assistance to passengers with pathological respiratory disorders.

Answer

Protect the flight crew and cabin attendants against fumes and noxious gases.

Answer

Protect certain passengers, and is only carried on board for these people.

Answer

Protect all the occupants against the effects of accidental depressurisation.

Question 3

Consider the flight deck oxygen supply system. The purpose of the oxygen regulator (as a function of demand and altitude) is to: 1. decrease oxygen pressure from 1800 PSI (in the bottles) down to about 50-75 PSI (low pressure system) 2. supply pure oxygen 3. supply diluted oxygen 4. supply oxygen at normal pressure 5. supply oxygen at emergency/positive pressure 6. trigger the continuous cabin altitude warning at 10000 ft cabin altitude. The combination regrouping all the correct statements is:

Accepted Answer

2, 3, 4, 5

Answer

1, 3, 4, 6

Answer

1, 2, 3, 4

Answer

3, 4, 5, 6

Question 4

Smoke detectors fitted on transport aircraft are of the following type:

Accepted Answer

Optical or ionization

Answer

Chemical

Answer

Magnetic

Answer

Electrical

Question 5

The fuel cross-feed system:

Accepted Answer

Allows feeding of any engine from any fuel tank.

Answer

Is only used on the ground for fuel transfer from one tank to another.

Answer

Is only used to feed an engine from the tank of the opposite wing.

Answer

Is only used in flight for fuel transfer from one tank to another.

Question 6

The function of a fusible plug is to

Accepted Answer

Protect the tyre against explosion due to excessive temperature.

Answer

Protect the brake against brake disk fusion due to excessive temperature.

Answer

Function as a special circuit breaker in the electric system

Answer

Protect against excessive pressure in the pneumatic system.

Question 7

Under EASA Air OPS Part-CAT (CAT.IDE.A.250), the minimum number of hand fire extinguishers required in the passenger compartment is determined by the aeroplane's:

Accepted Answer

Maximum operational passenger seating configuration (MOPSC).

Answer

Number of passengers actually carried.

Answer

Number of seat rows.

Answer

Number of emergency exits.

Question 8

On the ground, the Auxiliary Power Unit (APU) can be substituted for the:

Accepted Answer

Ground power unit, the starting system, the air conditioning unit.

Answer

Ground power unit.

Answer

Ground power unit, the starting system.

Answer

Ground power unit, the air conditioning unit.

Question 9

The compressor surge effect during acceleration is prevented by the:

Accepted Answer

Fuel Control Unit (FCU).

Answer

Inlet guide vanes.

Answer

Variable setting type nozzle guide vanes.

Answer

Surge bleed valves.

Question 10

The purpose of a compressor bleed valve is to prevent surging:

Accepted Answer

At low compressor RPM.

Answer

With altitude.

Answer

Of the first compressor stages.

Answer

Generated by foreign object ingestion.

Exam questions Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

ATPL - Airline Transport Pilot license: Aircraft General Knowledge - Airframe, Systems, Powerplant 10 Questions no time limit

Exam questions Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

ATPL - Airline Transport Pilot license: Aircraft General Knowledge - Airframe, Systems, Powerplant 10 Questions no time limit

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