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Mr. Dubey • 100.64K Points
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Q. In which of the following type of flame, oxygen is in excess proportion with acetylene?

  • (A) neutral flame
  • (B) oxidizing flame
  • (C) carburizing flame
  • (D) both oxidizing flame and carburizing flame
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Explanation by: Mr. Dubey
oxidizing welding flames are produced when slightly more than one volume of oxygen is mixed with one volume of acetylene. oxidizing welding flames are commonly used to weld zinc, copper, manganese steel, cast iron, etc.

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