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Q. |
The grade of concrete M 150 means that compressive strength of a 15 cm cube after 28 days, is |
A. | 100 kg/cm2 |
B. | 150 kg/cm2 |
C. | 200 kg/cm2 |
D. | 250 kg/cm2 |
Answer» B. 150 kg/cm2 |
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