Computer · Building Materials
43 ग्रेड साधारण पोर्टलैंड सीमेंट (OPC) की न्यूनतम 28-दिवसीय संपीड़न सामर्थ्य (compressive strength) कितनी होती है?
- 143 kg/mm2
- 243 kg/m2
- 343 N/mm2✓
- 443 N/m2
सही उत्तर देखें
43 N/mm2
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