In a concrete mix of proportion 1 : 3 : 6, the actual quantity of sand – McqOptions

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1.	In a concrete mix of proportion 1 : 3 : 6, the actual quantity of sand, which is judged to have undergone 15% bulking, per unit volume of cement, will be
A.	3
B.	3.45
C.	4.5
D.	6
Answer» C. 4.5

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