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In Marshall method of mix design, the coarse aggregate, fine aggregate, fines and bitumen having respective values of specific gravity 2.60,2.70,2.65 and $1.01,$ are mixed in the relative proportions (\% by weight) of 55.0,35.8,3.7 and 5.5 respectively. The theoretical specific gravity of the mix and the effective specific gravity of the aggregates in the mix respectively are:
(A) 2.42 and 2.63
(B) 2.42 and 2.78
(C) 2.42 and 2.93
(D) 2.64 and 2.78



Question ID - 156205 | SaraNextGen Top Answer

In Marshall method of mix design, the coarse aggregate, fine aggregate, fines and bitumen having respective values of specific gravity 2.60,2.70,2.65 and $1.01,$ are mixed in the relative proportions (\% by weight) of 55.0,35.8,3.7 and 5.5 respectively. The theoretical specific gravity of the mix and the effective specific gravity of the aggregates in the mix respectively are:
(A) 2.42 and 2.63
(B) 2.42 and 2.78
(C) 2.42 and 2.93
(D) 2.64 and 2.78

1 Answer
127 votes
Answer Key / Explanation : (A) -

2.42 and 2.63

127 votes


127