Physics · Welding and Joining Processes

What combination and proportion of gases is used to set a neutral flame in gas welding?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Oxygen and acetylene in equal proportion✓
2More oxygen than acetylene
3No acetylene, only oxygen
4Less oxygen than acetylene

Correct answer

Oxygen and acetylene in equal proportion

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