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Strength of concrete increase with _____________

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Strength of concrete increase with _____________

(a) Increase with w/c ratio

(b) Decrease with w/c ratio

(c) Decrease in size of aggregates

(d) Decrease in curing time

The question was asked in semester exam.

Question is from Strength and Durability Relationship in chapter Durability of Concrete of Concrete Technology

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Correct choice is (b) Decrease with w/c ratio

The best I can explain: As mentioned above that Strength of concrete is inversely proportional to w/c ratio.

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