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  • Question

  • For a vehicle moving with a speed of 80 km per hour, the brake reaction time, in ordinary cases, is


  • Options
  • A. 1 sec
  • B. 1.5 sec
  • C. 2.0 sec
  • D. 2.5 sec
  • E. 3.0 sec

  • Correct Answer
  • 2.5 sec 

    • Highway Engineering problems

    Search Results

    • 1. The maximum distance of the apex of a vertical curve of length L from the point of intersection of two grades + g1%, and - g2% (g1 > g2), is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 2. If the rate of change of grade permitted along a vertical curve is r and total change of grade is g%, the length L of the curve to be provided, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E. none of these.
      • Discuss
    • 3. The minimum vertical clearance of overhanging cliffs or any other structure above the surface of a hill road, should be

    • Options
    • A. 3 m
    • B. 4 m
    • C. 5 m
    • D. 6 m
    • E. 4.5 m
      • Discuss
    • 4. One-way streets are generally provided in crowded cities as, these

    • Options
    • A. are inexpensive means of traffic flow
    • B. reduce delays to vehicles
    • C. permit higher speed
    • D. reduce the number of accidents
    • E. all the above.
      • Discuss
    • 5. The width of road pavements, depends upon

    • Options
    • A. width of traffic lane
    • B. number of traffic
    • C. width of median strip
    • D. all the above.
      • Discuss
    • 6. If the velocity of moving vehicles on a road is 24 km/per hour, stopping distance is 19 metres and average length of vehicles is 6 metres, the basic capacity of lane, is

    • Options
    • A. 500 vehicles per hour
    • B. 700 vehicles per hour
    • C. 1000 vehicles per hour
    • D. 1250 vehicles per hour
      • Discuss
    • 7. The correct formula for calculating superelevation for the hill roads, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 8. Parapet walls along hill roads, are provided

    • Options
    • A. to retain the back filling
    • B. to prevent the hill from sliding
    • C. to prevent the wheels of the vehicle from coming on the retaining wall
    • D. none of these.
      • Discuss
    • 9. Speed regulations on roads is decided on the basis of

    • Options
    • A. 60 percentile cumulative frequency
    • B. 75 percentile cumulative frequency
    • C. 80 percentile cumulative frequency
    • D. 85 percentile cumulative frequency.
      • Discuss
    • 10. In case of a multi-lane road, overtaking is generally permitted

    • Options
    • A. from right
    • B. from left
    • C. from both sides right and left
    • D. not at all.
      • Discuss

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