Computer · Concrete Technology
IS 456 के अनुसार, गंभीर पर्यावरणीय परिस्थितियों (severe environmental exposure) में सादे सीमेंट कंक्रीट (PCC) के लिए अधिकतम अनुमेय जल-सीमेंट अनुपात (water-to-cement ratio) कितना निर्धारित है?
- 10.35
- 20.50✓
- 30.40
- 40.20
सही उत्तर देखें
0.50
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