General Studies · Gas Flames
Which of the following gas flame combinations is commonly used for low-temperature applications like soldering and brazing but produces the lowest temperature among them?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Oxy-acetylene flame
- 2Oxy-hydrogen flame
- 3Air-acetylene flame✓
- 4Oxy-coal gas flame
Correct answer
Air-acetylene flame
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