Question 3 of 30
Gases used in gas welding are
A
Acetylene and oxygen
B
CO2 and LPG
C
Oxygen and LPG
D
Acetylene and LPG
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Answer & Explanation
The correct answer is Option A: Acetylene and oxygen.
Gas welding relies on the combustion of oxygen and acetylene, which produces a flame with a temperature high enough to weld steel parts effectively.