Question

The purpose of a riser is to

a.

deliver molten metal into the mould cavity

b.

act as a reservoir for the molten metal

c.

feed the molten metal to the casting in order to compensate for the shrinkage

d.

deliver the molten metal from pouring basin to gate

Answer: (c).feed the molten metal to the casting in order to compensate for the shrinkage

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Q. The purpose of a riser is to

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