Q98 / 270 · NDA 2015 (Phase 2) · General Ability

To weld metals together, high temperature is required. Such a high temperature is obtained by burning:

Correct answer
A
Acetylene in oxygen
B
LPG in oxygen
C
Methane in oxygen
D
Acetylene in nitrogen

Solution

Oxy-fuel welding (commonly called oxyacetylene welding, oxy welding, or gas welding) and oxy-fuel cutting are processes that use fuel gases and oxygen to weld and cut metals.

Hence, the correct answer is option: 'A'.

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