Which of the following is not a recuperative furnace ?
Correct answer: B. Coke oven
- A. Soaking pit
- B. Coke oven
- C. Steam boiler
- D. Reheating furnace
Explanation
A coke oven normally uses regenerative heating, in which checker-brick chambers store and return heat, rather than a recuperator that transfers heat directly from flue gas to incoming air. Soaking pits and reheating furnaces commonly use recuperative heat recovery.
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