Chapter 8.2 - The Atmospheric & Associated Problems

Question 1

The atmosphere is a mixture of (2)?

Answer 1

• Oxygen (21%).

- Nitrogen (78%).

Question 2

Temperature falls with Altitude at a rate of 2°C per how many feet?

Answer 2

1000ft.

Question 3

What is the average (ISA) temperature at sea level?

Answer 3

15°C.

Question 4

As an Aircraft climbs into the atmosphere, what happens to the pressure?

Answer 4

Progressively decreases.

Question 5

What is the ISA atmospheric pressure at sea level?

Answer 5

1013 hPa.

Question 6

Pressure falls with Altitude at the rate of 1 hPa for how many feet?

Answer 6

33ft.

Question 7

What is the partial pressure of oxygen at sea level?

Answer 7

160mm Hg.

Question 8

Name one example of the problems associated with Oxygen Deficiency at 8000ft to 10,000ft?

Answer 8

Hypoxia.

Question 9

Hypoxia is the Medical name for the condition resulting from what?

Answer 9

Oxygen Starvation.

Question 10

The basic cause of Hypoxia on pilots is the reduction of what? As Altitude is (increased/decreased)?

Answer 10

• Reduction in the partial pressure of oxygen.

- Increased.

Question 11

The early symptoms of Hypoxia are similar to those of what?

Answer 11

Mild (alcohol) intoxication.

Question 12

Name three common symptoms of Hypoxia?

Answer 12

• Lack of Self-criticism.
• Over-confident Attitude.
• False sense of Security.

Question 13

Name 6 progressive symptoms of Hypoxia?

Answer 13

• Tingling sensations in the skin.
• Dizziness.
• Increased pulse rate.
• Blue colouration of lips and fingernails.
• Blurred Vision.

Question 14

What is the most severe symptom of Hypoxia?

Answer 14

Loss of consciousness.