Computer · Concrete Technology
53-ग्रेड साधारण पोर्टलैंड सीमेंट (OPC) की 28 दिनों पर न्यूनतम संपीडन सामर्थ्य (compressive strength) कितनी होती है?
- 153 N/mm2✓
- 253 kg/mm2
- 333 N/mm2
- 443 N/mm2
सही उत्तर देखें
53 N/mm2
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