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