For highway geometric design purposes the speed used is________________?

A. 15th percentile
B. 50 “”percentile
C. 85th percentile
D. 98 “”percentile

Highway facilities are designed for_________________?

A. Annual average hourly volume
B. Annual average daily traffic
C. Thirtieth highest hourly volume
D. Peak hourly volume of the year

If the design speed is V kmph and deviation angle is N radians, then the total length of a valley curve in meters is given by the expression_________________?

A. 0.38 n v3/2
B. 0.38 (nv3)”2
C. 3.8 nv”2
D. 3.8 (nv3)”2

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 an ascending gradient of 1 in 50 meets a descending gradient of 1 in 50, the length of summit curve for a stopping sight distance of 80 m will be_______________?

A. Zero
B. 64m
C. 80m
D. 60m

Enoscope is used to find______________?

A. Average speed
B. Spot speed
C. Space-mean speed
D. Time-mean speed

In case of summit curves, the deviation angle will be maximum when_______________?

A. An ascending gradient meets with another ascending gradient
B. An ascending gradient meets with a descending gradient
C. A descending gradient meets with another descending gradient
D. An ascending gradient meets with a level surface

The camber of road should be approximately equal to___________________?

A. Longitudinal gradient
B. Two times the longitudinal gradient
C. Three times the longitudinal gradient
D. Half the longitudinal gradient

The percentage compensation in gradient for ruling gradient of 4% and horizontal curve of radius 760 m is____________________?

A. 0.1 %
B. 1 %
C. 10%
D. No compensation

Which of the following shapes is preferred in a valley curve ?

A. Simple parabola
B. Cubic parabola
C. Spiral
D. Lemniscate