When more volume of acetylene and less volume of oxygen is supplied, then a ________ flame is obtained.

When more volume of acetylene and less volume of oxygen is supplied, then a ________ flame is obtained. Correct Answer Carburizing

When more volume of acetylene and less volume of oxygen is supplied, then a Carburizing flame is obtained.
Carburizing flame is one with little oxygen, which produces a sooty, lower-temperature flame. It is often used to anneal metal, making it more malleable and flexible during the welding process.
Bissoy MCQ

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