Why should it be designed so as to freeze after the casting

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Reference no: EM131275108

1. What is a riser? Why should it be designed so as to freeze after the casting?

2. Calculate the volume, diameter, and height of the cylindrical riser required to prevent shrinkage in a 1 in. × 6 in. × 6 in. casting if the H/D of the riser is 1.0.

Reference no: EM131275108

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