

McqMate
Q. |
In which of the following type of flame, oxygen is of same proportion with acetylene? |
A. | neutral flame |
B. | oxidizing flame |
C. | carburizing flame |
D. | both oxidizing flame and carburizing flame |
Answer» A. neutral flame | |
Explanation: in neutral flame oxygen is in the same proportion with acetylene. neutral welding flames are commonly used to weld: mild steel, stainless steel, cast iron, copper, aluminium, etc. |
View all MCQs in
Manufacturing Technology 1No comments yet