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What should be the minimum water cement ratio?

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in Concrete Technology by (122k points)
What should be the minimum water cement ratio?

(a) .45

(b) .5

(c) <.45

(d) >.45

I have been asked this question in an interview.

The origin of the question is Symptoms and Diagnosis of Distress topic in division Repair Technology for Concrete Structures of Concrete Technology

1 Answer

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The correct option is (c) <.45

Explanation: Concrete should be workable with minimum water cement ratio (< 0.45). It should be well compacted by vibrator.

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