Term
Where is the oxygen tank?
|
|
Definition
In the belly, aft of the oxygen panel
|
|
|
Term
How can you tell if the
oxygen valve is on?
|
|
Definition
|
|
Term
How many boxes
and masks? |
|
Definition
a) 7 boxes (1 in lav)
b) 2 masks per boxes |
|
|
Term
Why are the crew masks only certified to FL 400 cabin altitude?
|
|
Definition
By acting fast enough, cabin altitude
should not exceed FL 390 |
|
|
Term
What power the mask drop?
|
|
Definition
|
|
Term
How does the green disc
gets punctured?
|
|
Definition
Thermal relief due to pressure buildup |
|
|
Term
Will the oxygen gauge still be
in the green with the valve off?
|
|
Definition
Yes, gauge is located after valve |
|
|
Term
Will the pax masks drop with
loss of DC power?
|
|
Definition
No, but they can be manually dropped |
|
|
Term
What does the N mean
on the crew masks?
|
|
Definition
The regulator increase proportion of
oxygen mixed with cabin air
as altitude increases |
|
|
Term
At what altitude does the N setting on the crew masks allow 100% oxygen?
|
|
Definition
|
|
Term
At what altitude does the masks automatically supplies oxygen under pressure breathing?
|
|
Definition
|
|
Term
What does the setting
"emergency" provide?
|
|
Definition
100% oxygen and positive
pressure on the mask |
|
|
Term
How can you remember if you set
the masks to EMER or 100%
for a memory item? |
|
Definition
Pressurisation problem: set to 100%
Smoke problem: set to EMER |
|
|
Term
Max altitude oxygen
system designed for? |
|
Definition
|
|
Term
When will the oxygen masks
drop automatically? |
|
Definition
When the cabin altitude reaches
14,500 while on main DC |
|
|
Term
What happens to the cockpit masks
if cabin altitude is higher than FL 370? |
|
Definition
Go from 100% oxygen to emergency
mode (pressure breathing) |
|
|
