General Studies · Welding Technology
In which type of flame are three distinct zones visible, including an intermediate whitish cone, and for what purpose is it used?
- 1Preheating flame, used for soldering
- 2Oxidizing flame, used for brass welding
- 3Neutral flame, used for most metals
- 4Carburizing flame, used for minimizing oxidation✓
Correct answer
Carburizing flame, used for minimizing oxidation
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