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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✅ Correct Answer: (B) oxidizing flame
Explanation: 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.

Published by Mr. Dubey ⭐ 110.47K Points at 20-Sep-2023 12:46 pm in Manufacturing Technology

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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