Question: - d 22. For a riser = 1, it is used to feed a casting20 cm 20 cm x h 10 cm. Volume shrinkage on

- d 22. For a riser = 1, it is used to feed a casting20 cm 20 cm x h 10 cm. Volume shrinkage on solidification is 3% for steel and that the volume of riser is 3 times that dictated by shrinkage considerations alone. The riser diameter or height is (a) 14 cm (b) 13 cm (C) 15 cm (d) 17 cm
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