Aircraft General Knowledge - Quiz BPL Hot Air - Balloon Pilot License

Question 1

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

Equal to the standard atmosphere.

Answer

Lower than the true altitude.

Answer

Higher than the true altitude.

Question 2

Damages to the hot-air balloon hull fabric are most critical in which area?

Accepted Answer

At the top area

Answer

In the lower third.

Answer

At the equator

Answer

In the apron area.

Question 3

The term "static pressure" is defined as pressure...

Accepted Answer

Of undisturbed airflow.

Answer

Sensed by the pitot tube

Answer

Inside the airplane cabin.

Answer

Resulting from orderly flow of air particles.

Question 4

Liquifaction of propane gas results in a reduction in volume to what fraction of the gas volume?

Accepted Answer

1/260

Answer

1/160

Answer

1/360

Answer

1/60

Question 5

What values are usually marked with a red line on instrument displays?

Accepted Answer

Operational limits

Answer

Caution areas

Answer

Recommended areas

Answer

Operational areas

Question 6

Under which conditions false readouts are possible on hull thermometers using radio communication from sensor to indicator panel?

Accepted Answer

When the sensor battery is almost empty

Answer

When radio messages are received

Answer

When the hull temperature exceeds 110 °C

Answer

When there is no intervisiblity to temperature sensor

Question 7

The main blast valve is located where?

Accepted Answer

At the burner

Answer

At the main cylinder

Answer

At the hull equator

Answer

At the upper hull part

Question 8

With web-less balloon hulls, the load is connected to:

Accepted Answer

The load belt.

Answer

The towing rope.

Answer

The pull-rope

Answer

The basket rope.

Question 9

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 10

What ist the purpose of the sounding pipe valve?

Accepted Answer

To indicate the volumetric filling limit.

Answer

It allows pressure equalization during cruise at high altitude

Answer

It prevents air from entering the burner system

Answer

For venting the liquid gas container bottle.

Quiz Aircraft General Knowledge - Quiz BPL Hot Air - Balloon Pilot License

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