1
Q
When on average will the oxygen mask be activated automatically?
A
Cabin altitude exceeding 14,000ft
Can also be activated by the crew
2
Q
What are the two types of oxygen systems?
A
Continous flow and demand type
3
Q
Performance of the continuous flow oxygen system?
A
The simplest is the chemical candle
Typically gaseous for PAX cabin
4
Q
What is the performance and operation of diluter demand?
A
Regulated gaseous oxygen Typically for crew Controls selection Diluted with air below 34,000ft Responds to inwards breath Prolongs supply
5
Q
Characteristics of the chemical candles?
A
- Lightweight
- Less maintenance
- Less equipment
- Fire hazard higher
- Not tamperproof
- Won’t turn off when started
6
Q
When oxygen systems are being charged no:
A
- PAX on board
- No refueling
- No power on
