in a A 50 mm square hole is to be produced casting of length 300 mm....

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in a A 50 mm square hole is to be produced casting of length 300 mm. The density of core used is 4.5 g/cc and density of molten metal used during casting process is 8 g/cc. If the surface area of the core print used is 0.05m, the cross sectional area of the chaplet used is (a) 240 mm 2 (c) 746 mm (b) 507 mm (d) zero in a A 50 mm square hole is to be produced casting of length 300 mm. The density of core used is 4.5 g/cc and density of molten metal used during casting process is 8 g/cc. If the surface area of the core print used is 0.05m, the cross sectional area of the chaplet used is (a) 240 mm 2 (c) 746 mm (b) 507 mm (d) zero

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