The primary purpose of a sprue in a casting mould is to

1.	The primary purpose of a sprue in a casting mould is to
A.	Feed the casting at a rate consistent with the rate of solidification
B.	Act as a reservoir for molten metal
C.	Feed molten metal from the pouring basin to the gate
D.	Help feed the casting until all solidification takes place
Answer» D. Help feed the casting until all solidification takes place

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The primary purpose of a sprue in a casting mould is to

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