Leak Test Gaseous Oxygen System Flashcards
1
Q
What are the two main gases that make up our atmosphere?
A
Nitrogen and oxygen
2
Q
What is used to check an oxygen system for leaks?
A
A special leak-detector liquid that is a form of non-oily soap
3
Q
Why must fittings in an oxygen system not be tightened to stop a leak when there is pressure on the system?
A
When the system is pressurized the tubing is expanded slightely; if the fitting is tightened when it is expanded, it will likely leak when the pressure is reduced
4
Q
What are three ways supplemental oxygen can be carried in an aircraft?
A
As a high press gas, in its liquid form, and as a solid in the form of a chemical candle
