Oxygen Flashcards
1
Q
2 identical bottles what capacity
A
123.4 cubic ft
2
Q
2 identical bottles what pressure
A
1800 psi at 70F / 21 C
3
Q
Normal delivery pressure
A
55 to 80 psi
4
Q
High pressure relief valve
A
2775 psi
5
Q
Low pressure relief valve
A
Alerts crew when oxygen below 45 psi
( Crew Oxygen OFF Passenger Oxygen Off)
6
Q
High Pressure Relief Disc
A
Regulated pressure > 90 psi
O2 bottle pressure > 2500 – 2775 psi
7
Q
Masks normally deploy at cabin alt
A
14,750’ +/- 250’
8
Q
Masks deploy at High Alt airports >14,000’ at cabin alt
A
15,750’ +/- 250’
