Compared to a level surface, on a descending gradient the stopping sight distance is_______________?

Related Mcqs:

1. 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

2. If the stopping distance is 60 meters, then the minimum stopping sight distance for two lane, two way traffic is_________________?

   A. 30m
   B. 60m
   C. 120m
   D. 180m

3. 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

4. On a single lane road with two way traffic, the minimum stopping sight distance is equal to______________?

   A. stopping distance
   B. two times the stopping distance
   C. half the stopping distance
   D. three times the stopping distance

5. Stopping sight distance is always_______________?

   A. less than overtaking sight distance
   B. equal to overtaking sight distance
   C. more than overtaking sight distance
   D. none of the above

6. The effect of grade on safe overtaking sight distance is_______________?

   A. to increase it on descending grades and to decrease it on ascending grades
   B. to decrease it on descending grades and to increase it on ascending grades
   C. to increase it on both descending and ascending grades
   D. to decrease it on both descending and ascending grades

7. If the stopping distance and average length of a vehicle are 18 m and 6 m respectively, then the theoretical maxi¬mum capacity of a traffic lane at a speed of 10 m/sec is________________?

   A. 1500 vehicles per hour
   B. 2000 vehicles per hour
   C. 2500 vehicles per hour
   D. 3000 vehicles per hour

8. 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

9. The maximum allowable Los Angeles abrasion value for high quality surface course is_______________?

   A. 10%
   B. 20 %
   C. 30%
   D. 45 %

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

    A. ruling gradient
    B. limiting gradient
    C. exceptional gradient
    D. minimum gradient