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| Q. |
Expendable mold and permanent mold are the parts of manufacturing process. |
| A. | machining |
| B. | casting |
| C. | none of the mentioned |
| D. | joining |
| Answer» B. casting | |
| 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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