Civil Engineering MCQAE Level Civil Engineering
VG-30 grade bitumen as per IS 73 has a viscosity (absolute) at 60 deg C in the range of:
Transportation EngineeringBitumen GradeMEDIUM
Choose the correct answer
A
1800-3200 Poise
B
2400-3600 Poise
C
800-1600 Poise
D
600-1000 Poise
Correct Answer
B. 2400-3600 Poise
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IS 73 Viscosity Grade bitumens: VG-10 (less viscous, cold climates): 800-1200 Poise; VG-20: 1600-2400; VG-30 (most common): 2400-3600 Poise; VG-40 (high traffic/temp): 3200-4800 Poise. Measured at 60 deg C.
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