Leak Test Gaseous Oxygen System

Question 1

What are the two main gases that make up our atmosphere?

Answer 1

Nitrogen and oxygen

Question 2

What is used to check an oxygen system for leaks?

Answer 2

A special leak-detector liquid that is a form of non-oily soap

Question 3

Why must fittings in an oxygen system not be tightened to stop a leak when there is pressure on the system?

Answer 3

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

Question 4

What are three ways supplemental oxygen can be carried in an aircraft?

Answer 4

As a high press gas, in its liquid form, and as a solid in the form of a chemical candle