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1. |
According to the recommendations laid by the Concrete Association of India, what should be the least strength of the blocks used in concrete masonry? |
A. | 3 N/mm2 |
B. | 4 N/mm2 |
C. | 2 N/mm2 |
D. | 5 N/mm2 |
Answer» B. 4 N/mm2 | |