- 07/13/2019 at 8:34 pm #1439441EduGorillaKeymasterSelect Question Language :
Gray cast iron blocks of size 100 mm × 50 mm × 10 mm with a central spherical cavity of diameter 4 mm are sand cast. The shrinkage allowance for the pattern is 3%. The ratio of the volume of the pattern to volume of the casting is ______ .
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