Aircraft General Knowledge - Quiz BPL Gas - Balloon Pilot License

Question 1

The assembly of the panels to the hull of a web-less gas balloon is done ...

Accepted Answer

By glueing.

Answer

By vulcanisation.

Answer

By stitching.

Answer

By welding

Question 2

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

Accepted Answer

Height above airfield

Answer

Airfield elevation

Answer

Pressure altitude

Answer

Altitude above MSL

Question 3

The measurement of altitude is based on the change of the...

Accepted Answer

Static pressure.

Answer

Dynamic pressure.

Answer

Differential pressure.

Answer

Total pressure.

Question 4

The towing rope of a gas balloon can be found on ...

Accepted Answer

The rip panel side

Answer

The sandpourer side

Answer

The sliding side

Answer

The entry side

Question 5

What technical measure provides electric conductivity to the hull ropes of a web-less gas balloon?

Accepted Answer

Embedded steel threads (filiaments).

Answer

Wrapping with plastic tape.

Answer

A surface painting

Answer

Impregnation of the ropes

Question 6

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

Accepted Answer

Of undisturbed airflow.

Answer

Resulting from orderly flow of air particles.

Answer

Inside the airplane cabin.

Answer

Sensed by the pitot tube.

Question 7

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 8

The burst of a hydrogen pressure line may result in what risk?

Accepted Answer

The risk of hydrogen self-igniting and burning with invisible flame.

Answer

The risk of hydrogen collecting in the basket and causing breath shortness.

Answer

The risk of hydrogen self-igniting and burning with a bright flame.

Answer

The risk of hydrogen dissipating to the atmosphere and poisening the air

Question 9

The minimum length of the towing rope is:

Accepted Answer

30 m

Answer

20 m

Answer

50 m

Answer

100 m

Question 10

The emergency opening of a gas balloon is located where?

Accepted Answer

To the side of the appendix

Answer

At the upper pole

Answer

At the equator

Answer

To the side of the valve

Quiz Aircraft General Knowledge - Quiz BPL Gas - Balloon Pilot License

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