Final Exam Oxygen Review

Question 1

What are the two types of oxygen systems on airplanes ?

Answer 1

Stored Gas Chemical/solid state

Question 2

What are the parameters of a High Press. Oxygen bottle?

Answer 2

• 1800 - 2400 psi
• Green
• Labeled “Aviators Breathing Oxygen” stenciled in white 1” letters

Question 3

What are the parameters of a Low Press. Oxygen bottle?

Answer 3

• 450 psi
• Yellow
• Labeled “Aviator’s Breathing Oxygen”

Question 4

What are the three types of Green (HP) Oxygen bottles

Answer 4

DOT 3AA 1800

DOT 3HT 1800 (thinner wall)

DOT E8162 Aluminum lined with kevlar overwrap

Question 5

What is the hydrostatic testing interval for DOT 3AA 1800?

Answer 5

Tested every 5 years

Question 6

What is the Hydrostatic testing intervals for DOT 3AA 1800 with the thinner wall?

Answer 6

Tested every 3 years (max 24 year life)

Question 7

What is the testing interval for DOT E8162 aluminum-kevlar?

Answer 7

Tested every 3 years and maximum 15 year life

Question 8

What is important to keep in mind when replacing oxygen bottles?

Answer 8

Make sure replacement bottle is same size and weight as the one removed, as brackets may not be strong enough for a heavier bottle