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Q. |
According to IS : 269 - 1976, the requirement of an ordinary Portland cement is that |
A. | the residue does not exceed 10% when sieved through IS sieve No. 9 |
B. | its expansion is not more than 10 mm for unaerated cement |
C. | its initial setting time is not less than 30 minutes |
D. | all of the above |
Answer» D. all of the above |
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