Computer · Highway Engineering
बिटुमेन (डामर) में 'स्पॉट टेस्ट' का उपयोग मुख्य रूप से किसका पता लगाने के लिए किया जाता है?
- 1क्रैक (अति-तप्त) बिटुमेन✓
- 2हानिकारक विलायक (solvents) की उपस्थिति
- 3मिश्रण का तापमान
- 4बिटुमेन का ग्रेड
सही उत्तर देखें
क्रैक (अति-तप्त) बिटुमेन
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