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Sandhya Thakur • 4.08K Points
Extraordinary 

Q. Which of the following statement is correct ?

(A) Duff Abram's law is valid only when the concrete is of workable plasticity
(B) If the water-cement ratio is less, the strength of concrete will be less
(C) The strength of concrete decreases with age
(D) A rich mix of concrete provides low strength than a lean mix
Correct : Option (A)

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