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Flashcards in Oxygen Questions Deck (13)
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1
Q

Where can O2 pressure be read?

A
  • MFD STATUS page (corrected for temperature)

- At the O2 cylinder panel (un-corrected for temperature)

2
Q

Do the cockpit crew and the passengers share the same emergency O2?

A
  • No, the cockpit crew uses an O2 cylinder and the cabin passengers use O2 chemical generated
3
Q

Once the chemical O2 generators are started can they be shut off?

A

No

4
Q

What is the minimum O2 for cockpit crew?

A
  • 2 crew Blue for 2

- 3 crew Green for 3

5
Q

What activates when the flight deck O2 masks are removed from their storage unit?

A
  • Flow of O2
  • Mask microphone
  • Flight deck speakers
6
Q

What happens if the TEST/RESET button is pressed while the flight deck O2 masks are not stowed?

A
  • Stops flow of O2
  • Deactivates mask microphone
  • Deactivates flight deck speakers
7
Q

what type of oxygen will the quick-donning cockpit crew mask provide?

A
  • Emergency pure O2 with positive pressure
  • 100% pure O2 at all times
  • Normal Oxygen/air mixture (ratio depends on cabin altitude
8
Q

During preflight how would you know if the cockpit crew O2 has been over pressurized?

A
  • The green blowout disc would be missing on the forward right side of the fuselage
9
Q

What is the O2 duration for the following?

A
  • Passengers O2 12 min
  • Flight attendant cylinder 30 min
  • PBE 15 min
10
Q

When will the passenger O2 mask automatically deploy?

A
  • Cabin altitude of 14,000 feet MSL
11
Q

Can the O2 door dispensing units be opened manually if it fails to automatically deploy?

A
  • Yes, via a manual release tool (MRT) located at each FA station.
12
Q

When does the PBE provide?

A
  • Pressured O2 and protection from, fumes, and fire up to 40,000 ft for at least 15 min
  • Blue indication: Good
  • Pink indication: Bad
  • Vacuum loss Bad: (even with a blue indication)
13
Q

How many portable O2 cylinders are installed in the cabin?

A
  • 2, one in the FWD section and 1 in the AFT section

- 2 masks per cylinder