1.

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 hrsThe question was posed to me in class test.This is a very interesting question from Properties of Stones topic in portion Materials for Construction of Basic Civil Engineering

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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