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Generally what is the w/c ratio?

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in Concrete Technology by (122k points)
Generally what is the w/c ratio?

(a) .25

(b) .5

(c) .75

(d) 1

The question was asked in an international level competition.

The question is from Factors Causing Variation in the Quality of Concrete topic in section Quality Control of Concrete Technology

1 Answer

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The correct option is (b) .5

The best I can explain: Generally the water cement ratio is .42-.5 and if it exceeds it will create pores in concrete.

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