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Mr. Dubey • 54.69K Points
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Q. Which of the following is/are not used to melt material in casting(foundry) industries?

(A) cupola furnace
(B) induction furnace
(C) ladle furnace
(D) crucible furnace
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Explanation by: Mr. Dubey 
 all of listed are the furnaces used by metal foundry industries to melt down metal for casting purposes, except ladle furnace.

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