Physics · Metallurgy
The appearance of a red flame during the operation of a Bessemer converter indicates that:
- 1A red flame does not occur during the operation of a Bessemer converter
- 2The converter must be tilted to remove its contents
- 3Silicon and manganese have burned out and carbon has started oxidizing✓
- 4Air is burning out silicon and manganese
Correct answer
Silicon and manganese have burned out and carbon has started oxidizing
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