Q. In which of the following type of flame, oxygen is deficient in 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: (C) carburizing flame

Explanation: the carburizing flame has excess acetylene then oxygen. reducing flame is used for the welding of low carbon and alloy steel.

Published by Mr. Dubey ⭐ 104.85K Points at 20-Sep-2023 12:46 pm in Manufacturing Technology

Explanation by: Mr. Dubey

the carburizing flame has excess acetylene then oxygen. reducing flame is used for the welding of low carbon and alloy steel.

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