Aircraft General Knowledge - SPL - Sailplane Pilot License

Question 1

Which of the following options states all primary flight controls of an aircraft?

Accepted Answer

Elevator, rudder, aileron

Answer

Flaps, slats, speedbrakes

Answer

Elevator, rudder, aileron, trim tabs, high-lift wing devices, power controls

Answer

All movable parts on the aircraft which aid in controlling the aircraft

Question 2

In which way may an altimeter subscale which is set to an incorrect QNH lead to an incorrect altimeter reading?

Accepted Answer

If the subscale is set to a higher than actual pressure, the indication is too high. This may lead to much closer proximity to the ground than intended

Answer

If the subscale is set to a lower than actual pressure, the indication is too low. This may lead to much closer proximity to the ground than intended

Answer

If the subscale is set to a higher than actual pressure, the indication is too low. This may lead to much greater heights above the ground than intended

Answer

If the subscale is set to a lower than actual pressure, the indication is too high. This may lead to much closer proximity to the ground than intended

Question 3

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 4

The fuselage structure may be damaged by...

Accepted Answer

Exceeding the manoeuvring 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 5

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 6

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 7

What is referred to as torsion-stiffed leading edge?

Accepted Answer

Both-side planked leading edge (from edge to cross-beam) to support torsion forces

Answer

The part of the main cross-beam to support torsion forces

Answer

Special shape of the leading edge

Answer

The point where the torsion moment on a wing begins to decrease

Question 8

What kind of defect results in loss of airworthiness of an airplane?

Accepted Answer

Damage to load-bearing parts

Answer

Dirty wing leading edge

Answer

Crack in the cabin hood plastic

Answer

Scratch on the outer painting

Question 9

The altimeter's reference scale is set to airfield pressure (QFE). What indication is shown during the flight?

Accepted Answer

Height above airfield

Answer

Altitude above MSL

Answer

Airfield elevation

Answer

Pressure altitude

Question 10

What is the purpose of the secondary flight controls?

Accepted Answer

To improve the performance characteristics of an aircraft and relieve the pilot of excessive control forces

Answer

To improve the turn characteristics of an aircraft in the low speed regime during approach and landing

Answer

To enable the pilot to control the aircraft's movements about its three axes

Answer

To constitute a backup system for the primary flight controls

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