SSC JE Civil Engineering 2017 Set 2 Solved Paper

Question : 146 of 200

Marks: +1, -0

Which of the following proportion of the ingredients of concrete mix, is not in conformation to arbitrary method of proportioning ?

Solution:

As Per IS 456:2000 the concrete of different grades has following proportions of Cement, sand and aggregate.

\table\Grade ,\Proportion ;M8, 1:05:10;M7.5, 1:04:08;M10 ,1:03:04;M15 ,1:02:04;M20, 1:15:03;M25, 1:01:02;M30, 1:02:03

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