Q. Why is sand bed prepared for melting of metal in Cupola furnace?

(A) it provides a refractory bottom
(B) it soaks the moisture from the metal
(C) it conducts the heat faster and uniformly
(D) none of the mentioned

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✅ Correct Answer: (A) it provides a refractory bottom

Explanation: a sand bed needs to be prepared because it provides a necessary refractory bottom for molten metal and coke.

Published by Mr. Dubey ⭐ 111.54K Points at 20-Sep-2023 12:46 pm in Manufacturing Technology

Explanation by: Mr. Dubey

a sand bed needs to be prepared because it provides a necessary refractory bottom for molten metal and coke.

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