Aircraft General Knowledge - BPL Hot-Air Balloon Pilot Licence

Question 1

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

Accepted Answer

Indication too high

Answer

No indication

Answer

Indication too low

Answer

Mechanical overload

Question 2

The boiling point of propane gas at atmospheric conditions is:

Accepted Answer

- 42 °C

Answer

+ 5 °C

Answer

- 23 °C

Answer

0 °C

Question 3

What amount of ignitable mixture can be made from 1 L (0.001 m3) liquid propane gas?

Accepted Answer

12 m3

Answer

0.38 m3

Answer

0.26 m3

Answer

1.2 m3

Question 4

A pilot burner which is fed by the gas phase, works by which principle?

Accepted Answer

Bunsen principle

Answer

Electrostatic principle

Answer

Aerostatic principle

Answer

Aerodynamic principle

Question 5

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

Accepted Answer

Of undisturbed airflow

Answer

Sensed by the pitot tube

Answer

Inside the aeroplane cabin

Answer

Resulting from orderly flow of air particles

Question 6

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

Question 7

Liquefaction 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 8

The carrying ropes of a hot-air balloon are made up from:

Accepted Answer

Stainless steel

Answer

Manila rope

Answer

Copper

Answer

Duralum

Question 9

What is indicated by a yellow arc on the hull thermometer with an analog scale?

Accepted Answer

The cautious area

Answer

Maximum permissible values

Answer

Readability improvement

Answer

The normal operating area

Question 10

The hull fabric of a hot-air balloon undergoes the most continuous thermal stress in which area?

Accepted Answer

At the top area

Answer

In the apron area

Answer

In the lower third

Answer

At the equator

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

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

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

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

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