Aircraft General Knowledge - SPL - Sailplane Pilot License

Question 1

The load factor "n" describes the relationship between...

Accepted Answer

Lift and weight

Answer

Weight and thrust.

Answer

Drag and lift

Answer

Thrust and drag.

Question 2

What is the purpose of winglets?

Accepted Answer

Reduction of induced drag.

Answer

To increase efficiency of aspect ratio.

Answer

Increase gliging performance at high speed.

Answer

Increase of lift and turning manoeuvering capabilities.

Question 3

An aircraft in the northern hemisphere intends to turn on the shortest way from a heading of 360° to a heading of 270°. At approximately which indication of the magnetic compass should the turn be terminated?

Accepted Answer

270°

Answer

360°

Answer

240°

Answer

300°

Question 4

An aircraft in the northern hemisphere intends to turn on the shortest way from a heading of 030° to a heading of 180°. At approximately which indicated magnetic heading should the turn be terminated?

Accepted Answer

210°.

Answer

150°

Answer

180°

Answer

360°

Question 5

A true altitude is...

Accepted Answer

An altitude above mean sea level corrected for non-standard temperature.

Answer

A height above ground level corrected for non-standard temperature.

Answer

A height above ground level corrected for non-standard pressure.

Answer

A pressure altitude corrected for non-standard temperature.

Question 6

The Pitot / static system is required to...

Accepted Answer

Measure total and static air pressure.

Answer

Prevent potential static buildup on the aircraft.

Answer

Prevent icing of the Pitot tube.

Answer

Correct the reading of the airspeed indicator to zero when the aircraft is static on the ground.

Question 7

During a flight in an air mass with a temperature equal to ISA and the QNH set correctly, the indicated altitude is...

Accepted Answer

Equal to the true altitude.

Answer

Lower than the true altitude.

Answer

Equal to the standard atmosphere.

Answer

Higher than the true altitude.

Question 8

Which instrument can be affected by the hysteresis error?

Accepted Answer

Altimeter

Answer

Direct reading compass

Answer

Tachometer

Answer

Vertical speed indicator

Question 9

The fuselage structure may be damaged by...

Accepted Answer

Exceeding the manoeuvering speed in heavy gusts

Answer

Airspeed decreasing below a certain value.

Answer

Neutralizing stick forces according to actual flight state

Answer

Stall after exceeding the maximum angle of attack.

Question 10

The measurement of altitude is based on the change of the...

Accepted Answer

Static pressure.

Answer

Dynamic pressure.

Answer

Total pressure.

Answer

Differential pressure.

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