Coke ovens in steel plant are heated by ___________________?
Correct answer: D. Both B. & C.
- A. Electricity
- B. Coke oven gas
- C. Mixed gas
- D. Both B. & C.
Explanation
Coke ovens are commonly fired with coke-oven gas or a mixed gas, often combining coke-oven and blast-furnace gases. These gases provide the controlled heating needed for carbonisation.
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