Aircraft General Knowledge - PPL(H) - Private Pilot License

Question 1

The term "inclination" is defined as...

Accepted Answer

Angle between earth's magnetic field lines and horizontal plane.

Answer

Angle between magnetic and true north.

Answer

Deviation induced by electrical fields.

Answer

Angle between airplane's longitudinal axis and true north.

Question 2

During a flight in colder-than-ISA air the indicated altitude is...

Accepted Answer

Higher than the true altitude.

Answer

Lower than the true altitude

Answer

Eqal to the true altitude.

Answer

Equal to the standard altitude.

Question 3

What is the meaning of the red range on the airspeed indicator?

Accepted Answer

Speed which must not be exceeded regardless of circumstances

Answer

Speed which must not be exceeded within bumpy air

Answer

Speed which must not be exceeded with flaps extended

Answer

Speed which must not be exceeded in turns with more than 45° bank

Question 4

What is the reason for a puddle of water below the helicopter after a flight in summer?

Accepted Answer

The air conditioning was used in flight

Answer

The windshield wiper fluid has leaked

Answer

The helicopter was frozen at cruising altitude

Answer

Vapour bubbles from the fuel lines are condensed.

Question 5

Which method of measurement is mostly used for the fuel supply indication on helicopters?

Accepted Answer

Capacitive measurement

Answer

Dipstick measurement

Answer

Flow measurement

Answer

Inductive measurement

Question 6

Which rotor blade material enables the construction of hingeless rotor heads?

Accepted Answer

Plastic

Answer

Aluminium

Answer

Titan

Answer

Timber

Question 7

What is the purpose of the tank ventilation?

Accepted Answer

To prevent underpressure caused by fuel consumption

Answer

To distribute the fuel from one tank segment to the other during flight

Answer

To prevent water disposal during parking

Answer

To prevent fuel spillage during refueling on the filler plug

Question 8

Which instrument can be affected by the hysteresis error?

Accepted Answer

Altimeter

Answer

Direct reading compass

Answer

Vertical speed indicator

Answer

Tachometer

Question 9

What is the unit for electrical power?

Accepted Answer

Watt

Answer

Ampere

Answer

Volt

Answer

Ohm

Question 10

QFE is the...

Accepted Answer

Barometric pressure at a reference datum, typically the runway threshold of an airfield.

Answer

Barometric pressure adjusted to sea level, using the international standard atmosphere (ISA).

Answer

Magnetic bearing to a station.

Answer

Altitude above the reference pressure level 1013.25 hPa.

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