Regenerators are normally provided in the____________________?
Correct answer: D. All A., B. and C.
- A. Glass melting furnace
- B. Open hearth furnace
- C. By product coke ovens
- D. All A., B. and C.
Explanation
Regenerators recover heat from outgoing furnace gases and use it to preheat combustion air. This arrangement is used in glass-melting furnaces, open-hearth furnaces and by-product coke ovens.
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