A. grade
B. viscosity
C. ductility
D. temperature susceptibility
Related Mcqs:
- In the penetration macadam construction, the bitumen is__________________?
A. sprayed after the aggregates are spread and compacted
B. premixed with aggregates and then spread
C. sprayed before the aggregates are spread and compacted
D. none of the above - Percentage of free carbon in bitumen is______________?
A. more than that in tar
B. less than that in tar
C. equal to that in tar
D. none of the above - The ductility value of bitumen for suitability in road construction should not be less than____________?
A. 30 cm
B. 40 cm
C. 50 cm
D. 60 cm - Which of the following represents hardest grade of bitumen ?
A. 30/40
B. 60/70
C. 80/100
D. 100/120 - Bitumen of grade 80/100 means______________?
A. its penetration value is 8 mm
B. its penetration value is 10 mm
C. its penetration value is 8 to 10 mm
D. its penetration value is 8 to 10 cm - Softening point of bitumen to be used for read construction at a place where maximum temperature is 40° C should be______________?
A. less-than 40°C
B. greater than 40°C
C. equal to 40°C
D. none of the above - Which of the following represents a carpet of sand-bitumen mix without coarse aggregates ?
A. mastic asphalt
B. sheet asphalt
C. bituminous carpet
D. bituminous concrete - In CBR test the value of CBR is calculated at_______________?
A. 2.5 mm penetration only
B. 5.0 mm penetration only
C. 7.5 mm penetration only
D. both 2.5mm and 5.0 mm penetrations - The shoulder provided along the road edge should be_______________?
A. rougher than the traffic lanes
B. smoother than the traffic lanes
C. of same colour as that of the pavement
D. of very low load bearing capacity - Enoscope is used to find______________?
A. average speed
B. spot speed
C. space-mean speed
D. time-mean speed
