Question

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

Posted under Civil Engineering

Answer: (c).initial setting time is not less than 30 minutes

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Q. For an ordinary Portland cement

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