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1. 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%

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

A. simple parabola
B. cubic parabola
C. spiral
D. lemniscate

3. 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

4. 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

5. 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

6. Enoscope is used to find______________?

A. average speed
B. spot speed
C. space-mean speed
D. time-mean speed

7. 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

8. 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

9. 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

10. 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