M

Mr. Dubey • 52.30K Points
Coach 

Q. Expendable mold and permanent mold are the parts of manufacturing process.

(A) machining
(B) casting
(C) none of the mentioned
(D) joining
Correct : Option (B)

Explanation: 
 in casting, we prepare a mould in which we pour liquid metal. then we solidify the metal and make the product of desired shape with the help of pattern.

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