A

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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 unrated cement
  • (C) its initial setting time is not less than 30 minutes
  • (D) all of the above

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