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

Question 1

A warning device alerts the crew in case of an excessive cabin altitude. This warning must be triggered on reaching the following altitude:

Accepted Answer

10000 ft (approx. 3000 m)

Answer

14000 ft (approx. 4200 m)

Answer

12000 ft (approx. 3600 m)

Answer

8000 ft (approx. 2400 m)

Question 2

Which statement is correct concerning the effect of the application of carburettor heat?

Accepted Answer

The density of the air entering the carburettor is reduced, thus enriching the fuel/air mixture.

Answer

The volume of air entering the carburettor is reduced, thus leaning the fuel/air mixture.

Answer

The volume of air entering the carburettor is reduced, thus enriching the fuel/air mixture.

Answer

The density of the air entering the carburettor is reduced, thus leaning the fuel/air mixture.

Question 3

The equipment of an oxygen supply installation must be kept absolutely free of oil or grease traces as:

Accepted Answer

These substances catch fire spontaneously in the presence of oxygen under pressure.

Answer

These substances mixed with oxygen could catch fire in the presence of a spark.

Answer

The oxygen system would be contaminated.

Answer

These substances could plug the oxygen masks filters.

Question 4

The most common material used in the construction of gearbox casings is:

Accepted Answer

Magnesium alloy.

Answer

Aluminium alloy.

Answer

Steel alloy.

Answer

Titanium alloy.

Question 5

When AC generators are operated in parallel, they must be of the same:

Accepted Answer

Voltage and frequency.

Answer

Amperage and kVAR.

Answer

Voltage and amperage.

Answer

Frequency and amperage.

Question 6

If one of the 12 cells of a Lead-acid battery has a broken connection rendering it inoperable, the battery:

Accepted Answer

Is unserviceable.

Answer

Has 1/12 less voltage, but can still be used.

Answer

Has 1/12 less capacity, but can still be used.

Answer

Has 1/12 less voltage and less capacity, but can still be used.

Question 7

When the wing skin is not able to carry loads, the structural elements of the wing, which carry the bending moment, are:

Accepted Answer

The spars.

Answer

The webs.

Answer

The rivets.

Answer

The ribs.

Question 8

The purpose of a trim tab (device) is to:

Accepted Answer

Reduce or to cancel control forces.

Answer

Trim the aeroplane during normal flight.

Answer

Trim the aeroplane at low airspeed.

Answer

Lower manoeuvring control forces.

Question 9

The purpose of a distributor in an ignition system is to distribute:

Accepted Answer

Secondary current to the sparking plugs.

Answer

Primary current to the condenser.

Answer

Secondary current to the condenser.

Answer

Primary current to the sparking plugs.

Question 10

A test to assess the state of charge of a lead-acid battery would involve:

Accepted Answer

Comparing the 'on-load' and 'off-load' battery voltages.

Answer

Checking the battery voltage 'off-load'.

Answer

Checking the discharge current of the battery 'on-load'.

Answer

Checking the level of the electrolyte.

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