Computer · Building Materials
According to Indian Standards, which of the following statements is correct for Ordinary Portland Cement (OPC)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The final setting time can be up to 24 hours
- 2The initial setting time is not less than 30 minutes✓
- 3The soundness measured by the Le Chatelier method must not exceed 5 mm
- 4The residue does not exceed 5% by weight when sieved through a 90-micron IS sieve
Correct answer
The initial setting time is not less than 30 minutes
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