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1. |
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 |
Answer» B. 2.42 and 2.78 | |