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

Question 1

Which gas is heavier than air?

Accepted Answer

Propane

Answer

Hydrogen

Answer

Helium

Answer

Illuminating gas

Question 2

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 3

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

Accepted Answer

To heat the liquid gas, so it will vapourize 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 vapourize the liquid gas, so it will be emitted from the burner nozzle in gasous form

Question 4

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.

Question 5

The parapet height of a hot-air balloon basket is at least:

Accepted Answer

100 cm, in commercial operation 110 cm

Answer

80 cm, in commercial operation 100 cm

Answer

120 cm, in commercial operation 130 cm

Answer

110 cm, in commercial operation 110 cm

Question 6

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 7

About the lower end of the pull rope of a hot-air balloon it can be said:

Accepted Answer

It is particularly heat resistant.

Answer

It has an especially smooth surface.

Answer

It is fixed to the lower basket area

Answer

It has to be lubricated before every take-off

Question 8

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 9

A flight level is a...

Accepted Answer

Pressure altitude.

Answer

True altitude

Answer

Density altitude.

Answer

Altitude above ground.

Question 10

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.

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

Test 10 Questions Quiz BPL Hot Air - Balloon Pilot License - Aircraft General Knowledge, no time limit