Aircraft General Knowledge - Quiz BPL Gas - Balloon Pilot License

Question 1

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 2

The purpose of the drag lines of the parachute is ...

Accepted Answer

To transfer the force from the pull rope to the parachute.

Answer

To transfer the carrying force of the balloon in the top opening area

Answer

To keep the parachute in the center of the top opening.

Answer

To transfer the force from the pull rope to the free-balloon hull.

Question 3

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

Accepted Answer

Indication too high

Answer

Mechanical overload

Answer

No indication

Answer

Indication too low

Question 4

Lower-than-standard temperature may lead to...

Accepted Answer

An altitude indication which is too high.

Answer

A correct altitude indication as long as the altimeter subscale is set to correct for non-standard temperature.

Answer

An altitude indication which is too low.

Answer

A blockage of the Pitot tube by ice, freezing the altimeter indication to its present value

Question 5

A true altitude is...

Accepted Answer

An altitude above mean sea level corrected for non-standard temperature.

Answer

A height above ground level corrected for non-standard pressure

Answer

A height above ground level corrected for non-standard temperature.

Answer

A pressure altitude corrected for non-standard temperature.

Question 6

Which of the following options states the working principle of a vertical speed indicator?

Accepted Answer

Measuring the present static air pressure and comparing it to the static air pressure inside a reservoir

Answer

Static air pressure is measured and compared against a vacuum

Answer

Measuring the vertical acceleration through the displacement of a gimbal-mounted mass

Answer

Total air pressure is measured and compared to static pressure

Question 7

How will the sag of the pull rope change during descent?

Accepted Answer

It will decrease

Answer

It will remain unchanged

Answer

It will increase

Answer

It will change periodically

Question 8

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 9

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 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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