Which of the following furnaces will have maximum thermal efficiency ?
Correct answer: C. Boiler furnace
- A. Soaking pits
- B. Walking beam reheating furnace
- C. Boiler furnace
- D. Rotary kilns
Explanation
A boiler furnace transfers combustion heat efficiently to water through the boiler surfaces, giving it higher thermal efficiency than soaking pits, reheating furnaces, or rotary kilns. Hence the boiler furnace is selected.
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