Discussion :: Workshop Technology
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The purpose of a riser is to
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A.
deliver molten metal into the mould cavity
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B.
act as a reservoir for the molten metal
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C.
feed the molten metal to the casting in order to compensate for the shrinkage
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D.
deliver the molten metal from pouring basin to gate
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Answer : Option C
Explanation :
No answer description available for this question.
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