Aircraft General Knowledge - SPL - Sailplane Pilot License

Question 1

When trimming an aircraft nose up, in which direction does the trim tab move?

Accepted Answer

It moves down

Answer

In direction of rudder deflection

Answer

It moves up

Answer

Depends on CG position

Question 2

Which instrument can be affected by the hysteresis error?

Accepted Answer

Altimeter

Answer

Direct reading compass

Answer

Tachometer

Answer

Vertical speed indicator

Question 3

An energy-compensated vertical speed inicator (VSI) shows during stationary glide the vertical speed...

Accepted Answer

Of the airmass flown through.

Answer

Of the glider through surrounding air

Answer

Of the glider plus movement of the air

Answer

Of the glider minus movement of the air.

Question 4

Which pressure is sensed by the Pitot tube?

Accepted Answer

Total air pressure

Answer

Dynamic air pressure

Answer

Cabin air pressure

Answer

Static air pressure

Question 5

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 6

The vertical speed indicator measures the difference of pressure between...

Accepted Answer

The present static pressure and the static pressure of a previous moment.

Answer

The present dynamic pressure and the dynamic pressure of a previous moment.

Answer

The present total pressure and the total pressure of a previous moment.

Answer

The present dynamic pressure and the static pressure of a previous moment

Question 7

The Caution Area is marked on an airspeed indicator by what color?

Accepted Answer

Yellow

Answer

Red

Answer

Green

Answer

White

Question 8

How is referred to a tubular steel construction with a non self-supporting skin?

Accepted Answer

Grid construction

Answer

Honeycomb structure

Answer

Monocoque construction

Answer

Semi-monocoque construction.

Question 9

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

Question 10

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.

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