The most commonly used flame in gas
welding is
A.Neutral
B. Oxidising
C. Carburising
Only A
Only B
Only C
Only A and B
Only A
The neutral flame is the most commonly used flame for welding of different materials. The neutral flame is the flame in which the amount of oxygen is precisely enough for burning, and neither oxidation nor reduction occurs. It produces very little or no chemical reaction in molten metal.
Hence, the correct option is (A).
&Key Points:-
A flame with a good balance
of oxygen is clear blue. The reducing and neutral flames are useful
in soldering and annealing.
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