Consider that the following materials are usable for manufacturing die – McqOptions

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1.	Consider that the following materials are usable for manufacturing dies, moulds in the investment casting process for large-scale production:1. Aluminium alloy2. Magnesium alloy3. Brass4. Low-carbon steelWhich of the above are correctly usable?
A.	1, 2 and 3 only
B.	1, 2 and 4 only
C.	3 and 4 only
D.	1, 2, 3 and 4
Answer» B. 1, 2 and 4 only

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