M

Mr. Dubey • 52.26K Points
Coach 

Q. In transportation of concrete by pumps

(A) the slump should not be less than 50 mm and more than 80 mm
(B) the water cement ratio should remain between 0.5 to 0.65
(C) the number of bends in a pipe line should be as small as possible
(D) all of the above
Correct : Option (D)

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