Question
Download Solution PDFभारतीय मानक द्वारा निर्धारित VG40 का मानक अंतर्वेधन न्यूनतम कितना है?
This question was previously asked in
DDA JE Civil Official Paper Shift 2 (Held on 23 April 2018)
Answer (Detailed Solution Below)
Option 4 : 35.00
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IS 73 (2013) के अनुसार: फ़र्शी बिटुमेन
फ़र्शी बिटुमेन की आवश्यकताएं निम्न प्रकार हैं:
| लक्षण | फ़र्शी ग्रेड | |||
| VG10 | VG20 | VG30 | VG40 | |
| 25°C पर अंतर्वेधन, 100 g, 5 s, 0.1 mm, Min | 80 | 60 | 45 | 35 |
| स्फुरांक (क्लीवलैंड ओपन कप), °C, Min | 220 | 220 | 220 | 220 |
| गलनांक (RB), °C, Min | 40 | 45 | 47 | 50 |
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