Gas Welding Flashcards
1
Q
What are the two fuel gasses most generally used for gas welding?
A
Oxygen and acetylene
2
Q
What fuel gases are used for welding aluminum?
A
Oxygen and hydrogen
3
Q
What are two types of torches used in gas welding?
A
Balanced-pressure torches and injector torches
4
Q
What color lenses are used for gas welding?
A
Green and brown
5
Q
What color lenses are used for gas welding aluminum?
A
Blue
6
Q
Why is it important that the pressure of the gas in an acetylene cylinder be kept low?
A
Acetylene gas becomes unstable when it is kept under pressure of more than about 15 psi
