search
arrow-left Previous
Next arrow-right
Q: According to IS 12269: 2013, the minimum compressive strength of ordinary Portland cement (grade 53) at the age 168 +/-2 hours shall be_____.
  • A. 25 N/mm²
  • B. 37 N/mm²
  • C. 15 N/mm²
  • D. 53 N/mm²
Correct Answer: Option B - As per IS 12269 : 1987 page-3 Cl-5-4 For 53-5 grade cement, compressive strength at 168 ± 2 h shall not be less than 37.5 MPa.
B. As per IS 12269 : 1987 page-3 Cl-5-4 For 53-5 grade cement, compressive strength at 168 ± 2 h shall not be less than 37.5 MPa.

Explanations:

As per IS 12269 : 1987 page-3 Cl-5-4 For 53-5 grade cement, compressive strength at 168 ± 2 h shall not be less than 37.5 MPa.