Question
C. Turn on the acetylene first
D. Clear the area around you
21. Which of the following is a possible cause if you hear a pop when turning a torch off.
A. Too much oxygen
B. Too much acetylene C. Turn the valves off slowly
22. Which of the following is something you should never do when filing the holes in a tip:
A. Try to force a bigger file into the weld or cutting tip's hole
B. File the holes after you have filed the surface
C. Have a perpendicular edge
-
:
D. A dirty tip
Answer
A. Try to force a bigger file into the weld or cutting tip's hole