In permanent mould casting method

Question

Options:

A . Molten metal is poured in a metallic mould, retained in the mould long enough for the outer skin to solidify and finally mould is turned over to remove molten metal still in molten condition

B . Molten metal is poured and allowed to solidify while the mould is revolving

C . Molten metal is forced into mould under high pressure

D . None of the above

Answer: Option D

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