In order to deliver molten metal from pouring basin to gate, a ________ is used.

A Riser
B Sprue
C Core
D None of these

Correct Answer: Sprue

In casting, a sprue is the passage through which a molten material is introduced into a mold, and the term also refers to the excess material which solidifies in the sprue passage.
In sand casting, the sprue is formed by a dowel, which is removed from the sand to make the hole into which the metal is poured.
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