Oxygen

Question 1

Where does oxygen for the flightdeck come from?

Answer 1

A crew fixed oxygen bottle in the right front storage compartment

Question 2

What is the minimum pressure for the fixed oxygen system when there are two crew members onboard the aircraft?

Answer 2

1050 PSI

Question 3

What is the minimum pressure for the fixed oxygen system when there are three crew members onboard the aircraft?

Answer 3

1450 PSI

Question 4

True or False: Pilots have to manually release the pressure in the oxygen tank for the fixed oxygen system so it doesn’t over-pressurize.

Answer 4

False

Question 5

True or False: There is an automatic pressure relief valve which prevents over- pressurization for the fixed oxygen system.

Answer 5

True

Question 6

How many quick donning oxygen masks are there in the flight deck?

Answer 6

3

Question 7

Pilots should be able to don the quick donning mask in fewer than _____ seconds.

Answer 7

5

Question 8

Which oxygen setting supplies a mix of oxygen and ambient air?

Answer 8

Normal

Question 9

Which oxygen setting will just supply 100% oxygen?

Answer 9

100% Setting

Question 10

Which oxygen setting will supply 100% oxygen and purge the mask of any smoke?

Answer 10

EMERGENCY Setting

Question 11

What is the maximum time a PBE can supply oxygen for?

Answer 11

15 minutes

Question 12

How many PBEs are there onboard the aircraft?

Answer 12

4

Question 13

True or False: There is a first aid oxygen bottle onboard the aircraft.

Answer 13

True

Question 14

What does it mean if the green blowout disc is discovered during preflight to be ejected?

Answer 14

An overpressurization of the crew fixed oxygen bottle