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Which method is used if the upper surface of casting is required to be smooth?(a) Open sand method molding(b) Bedded-in method molding(c) Turn-over method molding(d) Dry sand molding |
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Answer» The correct choice is (b) Bedded-in method molding The best explanation: If the requirement of the casting is that, its upper surface should be smooth, bedded in the method should be used. |
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