If ruling gradient is I in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be_________________?

A. 3 %
B. 4%
C. 5 %
D. 6%

For design, that length of transition curve should be taken which is_____________?

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)

Select the correct statement_________________?

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

The absolute minimum radius of curve for safe operation for a speed of 110 kmph is______________?

A. 110 m
B. 220 m
C. 440 m
D. 577 m

The transition curve used in the horizontal alignment of highways as per IRC recommendations is_______________?

A. Spiral
B. Lemniscate
C. Cubic parabola
D. Any of the above

The maximum design gradient for vertical profile of a road is______________?

A. Ruling gradient
B. Limiting gradient
C. Exceptional gradient
D. Minimum gradient

In case of hill roads, the extra widening is generally provided______________?

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

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 attainment of super elevation by rotation of pavement about the inner edge of the pavement_______________?

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

On a horizontal curve if the pavement is kept horizontal across the alignment, then the pressure on the outer wheels will be_________________?

A. More than the pressure on inner wheels
B. Less than the pressure on inner wheels
C. Equal to the pressure on inner wheels