When using oxyacetylene torches,which valve should be turned off first when shutting the equipment down?
A) Acetylene regulator valve
B) Oxygen regulator valve
C) Acetylene torch valve
D) Oxygen torch valve

Question

Quizplus · Accepted Answer

When shutting down oxyacetylene torches, the acetylene torch valve should be turned off first. This is to ensure that any remaining oxyacetylene mixture in the torch or hoses is minimized, reducing the risk of a flashback or explosion.

When Using Oxyacetylene Torches,which Valve Should Be Turned Off First