35 Oxygen Flashcards
1
Q
Oxygen bottles are available in what 3 sizes?
A
50,77,115
2
Q
There are 2 oxygen operated pressure switches in the cabin what are they used for?
A
Oxy not armed CAS - advises pilot to PULLL ON SYSTEM RDY, PAX. OXY ON CAS - advising masks are deployed and oxy available to passenger.
3
Q
What altitude does the barometric switch automatically deploy oxy masks?
A
12,500 feet
4
Q
The oxygen system should be purged when pressure drops below?
A
50 PSI or lines are left open.
5
Q
The passenger oxygen shutoff valve is actuated so infrequently what may occur?
A
o-ring deterioration.
