Aircraft General Knowledge - BPL Hot Air - Balloon Pilot License

Question 1

Which instrument can be affected by the hysteresis error?

Accepted Answer

Altimeter

Answer

Tachometer

Answer

Direct reading compass

Answer

Vertical speed indicator

Question 2

The hull load of a hot-air balloon is carried by ...

Accepted Answer

The carrying ropes

Answer

By the towing ropes

Answer

By the top ropes

Answer

The fixing ropes

Question 3

A flight level is a...

Accepted Answer

Pressure altitude

Answer

True altitude

Answer

Density altitude

Answer

Altitude above ground

Question 4

Why should a liquid gas bottle only be filled to 80% of its volume?

Accepted Answer

To provide space for temperature-induced expansion

Answer

Because temperature would get too high

Answer

Because it would get too heavy otherwise

Answer

To provide space for expansion in case of external cooling

Question 5

QFE is the...

Accepted Answer

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

Answer

Magnetic bearing to a station

Answer

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

Answer

Altitude above the reference pressure level 1013.25 hPa

Question 6

The electronic remote hull thermometer of a hot-air balloon is operating by which principle?

Accepted Answer

Resistance- / Semiconductor principle

Answer

Venturi principle

Answer

Boyle principle

Answer

Bernoulli principle

Question 7

The vapour pressure of propane gas in a bottle depends in particular on:

Accepted Answer

The temperature

Answer

The rigidity of the bottle

Answer

The size of the bottle

Answer

The gas amount

Question 8

The basket ropes of a hot-air balloon are usually fixed to ...

Accepted Answer

The burner cage

Answer

The burner

Answer

To the scoop

Answer

The Nomex apron

Question 9

What is the purpose of the vaporizer coils of the burner system?

Accepted Answer

To heat the liquid gas, so it will vaporize immediately after exiting the burner nozzle

Answer

To induce a rotation movement in the liquid gas to get a better mixture

Answer

For cooling of the liquid gas after exiting the burner nozzles

Answer

To vaporize the liquid gas, so it will be emitted from the burner nozzle in gaseous form

Question 10

Why should liquid gas bottles for hot-air balloons be transported upright?

Accepted Answer

To prevent damage on the riser tube

Answer

Because no other positions are approved

Answer

To prevent exiting of residual gas

Answer

To keep the armature panel clean

Exam questions Aircraft General Knowledge - BPL Hot Air - Balloon Pilot License

BPL Hot Air - Balloon Pilot License: Aircraft General Knowledge 10 Questions no time limit

Exam questions Aircraft General Knowledge - BPL Hot Air - Balloon Pilot License

BPL Hot Air - Balloon Pilot License: Aircraft General Knowledge 10 Questions no time limit

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