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Chapter 14-1

Oxygen

QuestionAnswer
1. The portable oxygen bottles are only used in the event of a loss of pressurization. (T / F) a) False
2. What is the color when oxygen pressure is in an advisory operating range and enough for only two crew members? a) Cyan (Blue)
3. When are the passenger oxygen masks automatically deployed? a) AUTO on the Passenger Oxygen knob and cabin altitude between 14,000 and 14,750 MSL
4. What happens with the PASSENGER OXYGEN selector knob in AUTO? a) Enables the automatic deployment of the passenger oxygen masks when the cabin pressure altitude is between 14,000 and 14,750 MSL
5. The __________ allows oxygen flow into the face seal, removing any smoke and fumes. a) Purge Valve
6. Can the cabin 02 door (above passenger seats) dispensing units be opened manually if it fails to automatically deploy? a) Yes, by using a Manual Release Tool (MRT) located at each FA station
7. Selecting the OVRD position on the PASSENGER OXYGEN knob will do what? a) Deploy passenger oxygen masks regardless of cabin altitude
8. What is indicated when the MASK DEPLOYED light is on? a) The passenger and flight attendant oxygen masks have been deployed.
9. When the passenger 02 mask doors are automatically or manually commanded open, what signs automatically illuminate? a) FASTEN SEAT BELT and NO SMOKING (NO ELEC DEVICE ) regardless of the switch position (Note: The question text in the source reads "the passenger 02 When the passenger 02 mask doors...")
10. Where can 02 pressure be read? a) 02 pressure can be read at the outside oxygen pressure gauge panel or on the MFD STATUS page
11. Where would you find the oxygen system parameters and indications? a) On the MFD STATUS page
12. Do the flight deck crew and the passengers share the same emergency oxygen? a) No, the flight deck crew uses a single high pressure 02 cylinder and the cabin passengers use chemical oxygen generators
13. Once activated, each passenger oxygen mask can provide approximately _____ minutes of oxygen. a) 12
14. How is passenger oxygen supplied? a) Individual chemical oxygen generators located in the Passenger Service Units (PSUs), flight attendant stations, galleys and lavatories are equipped with a gaseous oxygen supply
15. Once the chemical 02 generators start, can they be shut off? a) No
16. What is the minimum 02 for a flight deck crew and color displayed? a) 2 crew requires cyan, 3 crew requires green and dispatch of the aircraft is not allowed with amber
17. What activates when the 02 masks are removed from their storage unit? a) 02 flow to the mask, mask microphone with the deactivation of headsets microphone and the flight deck speakers
Created by: lglippig
 

 



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