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The percentage absorption by weight of a good stone, after how many hours should not exceed .6?(a) 6 hrs(b) 12 hrs(c) 48 hrs(d) 24 hrs |
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Answer» Correct option is (d) 24 hrs To explain: As per IS standards, 24 hrs is the time a stone has to be immersed in water to check for water absorption. Time less or more than this would not result in providing the appropriate data. |
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