Heat transfer rate to the stock/charge in the furnace does not depend upon the________________?
Correct answer: C. Use of waste heat recovery equipments
- A. Emissivity of the refractory walls
- B. Size of the furnace
- C. Use of waste heat recovery equipments
- D. Thickness of the stock
Explanation
Heat transfer to the stock is governed by factors such as furnace geometry, refractory emissivity and stock thickness. Waste-heat recovery improves fuel economy and reduces exhaust losses, but is not a direct factor in the stock-side heat-transfer rate.
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