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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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Answer» Right choice is (a) It provides a refractory bottom Easy explanation: A sand bed needs to be prepared because it provides a necessary refractory bottom for molten metal and coke. |
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