Oxygen to acetylene ratio in case of
carburizing flame is________.
0.5 : 1
0.9 : 1
1 : 1
1 : 1.2
1 : 1.2
A carburizing flame is
advantageous for welding high carbon steel because it does not tend to absorb
carbon.
Oxygen to acetylene ratio in case of carburizing flame is 1 : 1.2
&Key Points:-
●In oxidizing flame, the oxygen to
acetylene ratio is 1.15 : 1 to 1.5 : 1
●In neutral flame, it is 1:1
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