Computer · Concrete Technology
हल्के कंक्रीट (lightweight concrete) बनाने में उपयोग किए जाने वाले निम्नलिखित में से कौन सा प्राकृतिक हल्का मिलावा (natural lightweight aggregate) नहीं है?
- 1प्यूमिस (Pumice)
- 2डायटोमाइट (Diatomite)
- 3स्कोरिया (Scoria)
- 4परलाइट (Perlite)✓
सही उत्तर देखें
परलाइट (Perlite)
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