Question 30 of 30
Oxygen and ______ is used in gas welding on board
A
Argon
B
Acetylene
C
Nitrogen
D
LPG
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Answer & Explanation
The correct answer is Option B: Acetylene.
Oxy-acetylene welding is the standard gas welding method used on ships. Acetylene provides the high-temperature flame necessary to melt steel effectively when mixed with oxygen.