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Q: As compared to Ordinary Portland Cement (OPC), the Rapid Hardening Portland Cement (RHPC) has
  • A. higher fineness
  • B. higher C₃S content
  • C. both (a) and (b)
  • D. none of the above
Correct Answer: Option C - Rapid hardening Portland cement (IS:8041)- It has high lime content and can be obtained by increasing the C₃S content but is normally obtained from OPC clinker by finer grinding (450 m2/ kg).
C. Rapid hardening Portland cement (IS:8041)- It has high lime content and can be obtained by increasing the C₃S content but is normally obtained from OPC clinker by finer grinding (450 m2/ kg).

Explanations:

Rapid hardening Portland cement (IS:8041)- It has high lime content and can be obtained by increasing the C₃S content but is normally obtained from OPC clinker by finer grinding (450 m2/ kg).