An example of recuperative furnace is the__________________?
Correct answer: A. Soaking pit
- A. Soaking pit
- B. Open hearth furnace
- C. Coke ovens
- D. None of these
Explanation
A soaking pit can recover heat from outgoing furnace gases to preheat the combustion air, making it a recuperative furnace. Open-hearth furnaces are classically associated with regenerative heat recovery.
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