Aircraft General Knowledge - SPL - Sailplane Pilot License

Question 1

Which are the advantages of sandwich structures?

Accepted Answer

Low weight, high stiffness, high stability, and high strength

Answer

High temperature durability and low weight

Answer

High strength and good formability

Answer

Good formability and high temperature durability

Question 2

Which of the following states the working principle of an airspeed indicator?

Accepted Answer

Total air pressure is measured and compared against static air pressure

Answer

Dynamic air pressure is measured by the Pitot tube and converted into a speed indication by the airspeed indicator

Answer

Total air pressure is measured by the static ports and converted into a speed indication by the airspeed indicator

Answer

Static air pressure is measured and compared against a vacuum.

Question 3

A vertical speed indicator connected to a too big equalizing tank results in...

Accepted Answer

Indication too high

Answer

Mechanical overload

Answer

No indication

Answer

Indication too low

Question 4

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

Accepted Answer

Yellow

Answer

Red

Answer

Green

Answer

White

Question 5

Which levers in a glider's cockpit are indicated by the colors red, blue and green? Levers for usage of ...

Accepted Answer

Cabin hood release, speed brakes, elevator trim

Answer

Gear, speed brakes and elevator trim tab.

Answer

Speed brakes, cable release and elevator trim.

Answer

Speed brakes, cabin hood lock and gear.

Question 6

The airspeed indicator is unservicable. The airplane may only be operated...

Accepted Answer

When the airspeed indicator is fully functional again.

Answer

If no maintenance organisation is around.

Answer

If only airfield patterns are flown

Answer

When a GPS with speed indication is used during flight.

Question 7

Primary fuselage structures of wood or metal planes are usually made up by what components?

Accepted Answer

Frames and stringer

Answer

Covers, stringers and forming parts

Answer

Girders, rips and stringers

Answer

Rips, frames and covers

Question 8

Which of the following options states the working principle of a vertical speed indicator?

Accepted Answer

Measuring the present static air pressure and comparing it to the static air pressure inside a reservoir

Answer

Measuring the vertical acceleration through the displacement of a gimbal-mounted mass

Answer

Total air pressure is measured and compared to static pressure

Answer

Static air pressure is measured and compared against a vacuum

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

Lower-than-standard temperature may lead to...

Accepted Answer

An altitude indication which is too high.

Answer

An altitude indication which is too low.

Answer

A correct altitude indication as long as the altimeter subscale is set to correct for non-standard temperature.

Answer

A blockage of the Pitot tube by ice, freezing the altimeter indication to its present value.

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