5. The compressive strength of an ordinary Portland cement (1 : 3 cement mortar cube) after 7 days test should not be less than
| Useful Links From This Website |
| Notifications, Admit Cards, Results, Universities |
| Books, Exam Pattern, Mock Tests, Study Materials, Syllabus, Test Papers |
A. 22 N/mm2
B. 27.5 N/mm2
C. 11 N/mm2
D. 17.5 N/mm2
