M

Mr. Dubey • 52.30K Points
Coach 

Q. For an ordinary Portland cement

(A) residual does not exceed 10% when sieved through is sieve no. 9
(B) soundness varies from 5 to 10 mm
(C) initial setting time is not less than 30 minutes
(D) compressive stress after 7 days, is not less than 175 kg/cm2
Correct : Option (C)

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