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
The shape of the camber, best suited for cement concrete pavements, is_______________?
A. straight line
B. parabolic
C. elliptical
D. combination of straight and parabolic
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
Coefficient of friction is less when the pavement surface is________________?
A. rough
B. dry
C. smooth and dry
D. smooth and wet
Camber in the road is provided for_______________?
A. effective drainage
B. counteracting the centrifugal force
C. having proper sight distance
D. none of the above
A. stopping distance
B. two times the stopping distance
C. half the stopping distance
D. three times the stopping distance