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Q: C3A content is found more effective for following type of cement _____.
  • A. Air Entraining cement ₄
  • B. Low heat cement
  • C. Rapid hardening cement
  • D. Sulphate resisting cement
Correct Answer: Option D - Sulphate resisting cement (IS 12330) – In this cement the amount of tricalcium aluminate is restricted to on acceptably low value (<5). It should not be mistaken per super sulphate cement. So, C₃A content is found more effective for sulphate resisting cement. • It should have fineness of 400 m₂/kg
D. Sulphate resisting cement (IS 12330) – In this cement the amount of tricalcium aluminate is restricted to on acceptably low value (<5). It should not be mistaken per super sulphate cement. So, C₃A content is found more effective for sulphate resisting cement. • It should have fineness of 400 m₂/kg

Explanations:

Sulphate resisting cement (IS 12330) – In this cement the amount of tricalcium aluminate is restricted to on acceptably low value (<5). It should not be mistaken per super sulphate cement. So, C₃A content is found more effective for sulphate resisting cement. • It should have fineness of 400 m₂/kg