In a casting process, a vertical channel through which molten metal flows downward from pouring basin to runner for reaching the mould cavity is called

In a casting process, a vertical channel through which molten metal fl

1.	In a casting process, a vertical channel through which molten metal flows downward from pouring basin to runner for reaching the mould cavity is called
A.	riser
B.	blister
C.	pin hole
D.	sprue
E.	None of these
Answer» F.

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In a casting process, a vertical channel through which molten metal flows downward from pouring basin to runner for reaching the mould cavity is called

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