Oxygen

Question 1

How many oxygen cylinders supply O2 to both crew and pax

Answer 1

One

Question 2

When will the passenger O2 masks automatically deploy with the O2 knob in PAX AUTO

Answer 2

when cabin alt exceeds 14,500 FT (+- 300 ft)

Question 3

What are the two capacities of O2 bottles available

Answer 3

77 liters and 115 liters.

Question 4

Where are the O2 system parameters and indications displayed.

Answer 4

On the STATUS synoptic page

Question 5

What are the selections that can be toggled between the mode selector on the O2 mask

Answer 5

N (Normal Mode)
100%
Emergency

Question 6

What is the purpose of the O2 saver push pull button on the O2 mask

Answer 6

To allow the crew to breath cabin air when the O2 supply is not required.

Question 7

Which mode can O2 saver push pull button be pulled out in?

Answer 7

Only the (N) normal mode.

Question 8

When must the oxygen saver push pull button be manually closed

Answer 8

In case of fire or smoke

Question 9

What does the O2 pressure in green indicate

Answer 9

It is an advisory operating range and the O2 dispatch pressure charts must be referenced for the minimum pressure to dispatch.

Question 10

How many smoke goggles are provided.

Answer 10

One for each flight crew member.

Question 11

Can smoke or toxic fumes be purged from the smoke goggles? how?

Answer 11

Yes, by the vent valve.

Question 12

The O2 mask is designed to be donned in how many seconds?

Answer 12

Five seconds.

Question 13

Does the O2 mask need to be removed from the stowage box to be tested?

Answer 13

No

Question 14

How is the O2 mask tested

Answer 14

1) O2 regulator needs to be set to 100%
2) The PRESS TO TEST AND RESET button on the LH door and the PRESS TO TEST button on the regulator need be simultaneously pressed for 1 second

Question 15

When must the O2 cylinder toggle switch be set to ON

Answer 15

When the cabin temp is below -15 deg C