Computer · Building Materials
The compressive strength of a good Portland cement and standard sand mortar cube (1:3) after 3 days of curing should not be less than:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 121 MN/m2
- 217.5 MN/m2
- 311.5 MN/m2✓
- 47 MN/m2
Correct answer
11.5 MN/m2
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