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
Related Mcqs:
- For a constant value of coefficient of lateral friction, the value of required super-elevation increases with_______________?
A. increase in both speed and radius of curve
B. decrease in both speed and radius of curve
C. increase in speed and with decrease in radius of curve
D. decrease in speed and with increase in radius of curve - Penetration test on bitumen is used for determining its_____________?
A. grade
B. viscosity
C. ductility
D. temperature susceptibility - For water bound macadam roads in localities of heavy rainfall, the recommended value of camber is_______________?
A. 1 in 30
B. 1 in 36
C. 1 in 48
D. 1 in 60 - To calculate the minimum value of ruling radius of horizontal curves in plains, the design speed is given by_________________?
A. 8 kmph
B. 12kmph
C. 16kmph
D. 20 kmph - The value of ruling gradient in plains as per IRC recommendation is______________?
A. 1 in 12
B. 1 m 15
C. 1 in 20
D. 1 in 30 - If aggregate impact value is 20 to 30 percent, then it is classified as_______________?
A. exceptionally strong
B. strong
C. satisfactory for road surfacing
D. unsuitable for road surfacing - The maximum allowable Los Angeles abrasion value for high quality surface course is_______________?
A. 10%
B. 20 %
C. 30%
D. 45 % - 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 - If the group index value of subgrade is between 5 and 9, then the subgrade is treated as_____________?
A. good
B. fair
C. poor
D. very poor - The stopping sight distance depends upon_______________?
A. total reaction time of driver
B. speed of vehicle
C. efficiency of brakes
D. all of the above