Human Performance and limitations - Quiz BPL Hot Air - Balloon Pilot License

Question 1

At which altitude is the atmospheric pressure approximately half the MSL value (1013 hPa)?

Accepted Answer

18000 ft

Answer

5000 ft

Answer

22000 ft

Answer

10000 ft

Question 2

What is the percentage of oxygen in the atmosphere at 6000 ft?

Accepted Answer

21 %

Answer

78 %

Answer

12 %

Answer

18.9 %

Question 3

Carbon monoxide poisoning can be caused by...

Accepted Answer

Smoking.

Answer

Unhealthy food

Answer

Alcohol.

Answer

Little sleep.

Question 4

Under which circumstances is it more likely to accept higher risks?

Accepted Answer

Due to group-dynamic effects

Answer

During check flights due to a high level of nervousness

Answer

During flight planning when excellent weather is forecast

Answer

If there is not enough information available

Question 5

Which altitude marks the lower limit where the the body is unable to completely compensate the effects of the low atmospheric pressure?

Accepted Answer

12000 feet

Answer

7000 feet

Answer

22000 feet

Answer

5000 feet

Question 6

Visual illusions are mostly caused by...

Accepted Answer

Misinterpretation of the brain.

Answer

Binocular vision.

Answer

Rapid eye movements.

Answer

Colour blindness.

Question 7

Regarding the communication model, how can the use of the same code during radio communication be ensured?

Accepted Answer

By the use of radio phraseology

Answer

By the use of proper headsets

Answer

By a particular frequency allocation

Answer

By using radios certified for aviation use only

Question 8

The majority of aviation accidents are caused by...

Accepted Answer

Human failure

Answer

Technical failure

Answer

Geographical influences.

Answer

Meteorological influences.

Question 9

What is the percentage of nitrogen in the atmosphere?

Accepted Answer

78 %

Answer

0.1 %

Answer

21 %

Answer

1 %

Question 10

In which situation is it NOT possible to achieve a pressure compensation between the middle ear and the environment?

Accepted Answer

The eustachien tube is blocked

Answer

During a light and slow climb

Answer

Breathing takes place using the mouth only

Answer

All windows are completely closed

Quiz Human Performance and limitations - Quiz BPL Hot Air - Balloon Pilot License

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