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What is the dry compression strength of core sand mixture for general purpose?(a) 50 kg/cm^2(b) 60 kg/cm^2(c) 70 kg/cm^2(d) 80 kg/cm^2 |
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Answer» Correct choice is (c) 70 kg/cm^2 The explanation is: The dry compression strength of core sand mixture for general purpose is 70 kg/cm^2, and the dry tensile strength of the of a core sand mixture is calculated to be 17 kg/cm^2. |
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