When more volume of acetylene and less volume of oxygen is supplied, then a ________ flame is obtained.
A. Neutral
B. Oxidizing
C. Carburizing
D. None of these
Answer: Option C
Solution (By Examveda Team)
When more volume of acetylene and less volume of oxygen is supplied, then a Carburizing flame is obtained.Carburizing flame is one with little oxygen, which produces a sooty, lower-temperature flame. It is often used to anneal metal, making it more malleable and flexible during the welding process.
This Question Belongs to Mechanical Engineering >> Workshop Technology
Join The Discussion