A. based on allowable rate of change of centrifugal acceleration
B. based on rate of change of super elevation
C. higher of (A) and (B)
D. smaller of (A) and (B)
A. Psychological extra widening depends on the number of traffic lanes.
B. Mechanical extra widening depends on the speed of vehicle.
C. Psychological extra widening depends on the length of wheel base.
D. Psychological extra widening depends on the speed of vehicle
A. 110 m
B. 220 m
C. 440 m
D. 577 m
A. spiral
B. lemniscate
C. cubic parabola
D. any of the above
A. ruling gradient
B. limiting gradient
C. exceptional gradient
D. minimum gradient
A. equally on inner and outer sides of the curve
B. fully on the inner side of the curve
C. fully on the outer side of the curve
D. one-fourth on inner side and three-fourth on outer side of the curve
A. 8 kmph
B. 12kmph
C. 16kmph
D. 20 kmph
A. is preferable in steep terrain
B. results in balancing the earthwork
C. avoids the drainage problem in flat terrain
D. does not change the vertical alignment of road
A. more than the pressure on inner wheels
B. less than the pressure on inner wheels
C. equal to the pressure on inner wheels
A. 1 in 15
B. 1 in 12.5
C. 1 in 10
D. equal to camber