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  • Question
  • To prevent movement of moisture from subgrade to road pavement on embankments about 0.6 m to 1 m higher than water table, the thickness of cut off layer of coarse sand used, is


  • Options
  • A. 15 cm
  • B. 20 cm
  • C. 30 cm
  • D. 45 cm
  • E. none of these.

  • Correct Answer
  • none of these. 


  • Highway Engineering problems


    Search Results


    • 1. For the design of cement concrete pavement for corner loading, Indian Road Congress recommends the use of

    • Options
    • A. Westergard's formula
    • B. Kelly's formula
    • C. Goldbeck's formula
    • D. Spanlar's formula
    • E. Picker's formula.
    • Discuss
    • 2. Which one of the following transportation systems is not used for the conveyance of passengers in India?

    • Options
    • A. railways
    • B. roads
    • C. shipping
    • D. air lines
    • E. pipe lines.
    • Discuss
    • 3. Pick up the correct statement from the following:

    • Options
    • A. The height of head light above road surface, is taken as 0.75 m
    • B. The beam of head light is up to one degree upwards from the grade of road
    • C. While designing the valley curve, the height of the object is assumed nil
    • D. All the above
    • Discuss
    • 4. Design of highways is based on

    • Options
    • A. axle loads
    • B. axle spacings
    • C. wheel bases
    • D. over all length
    • E. all the above.
    • Discuss
    • 5. The statement, regarding the size of stones used at the wearing surface. "The size of a stone used on a road must be in due proportion to the space occupied by a wheel of ordinary dimensions on a smooth level surface. The point of contact will be found to be longitudinal about 2.5 cm and every piece of stone put into the road which exceeds 2.5 cm in any of its dimension is mischievious" was made by

    • Options
    • A. Telford
    • B. Macadam
    • C. Tresguet
    • D. Sully.
    • Discuss
    • 6. The distance travelled by a moving vehicle during perception and brake reaction times, is known as

    • Options
    • A. sight distance
    • B. stopping distance
    • C. lag distance
    • D. none of these.
    • Discuss
    • 7. On a pavement with parabolic camber, the angle of inclination of the vehicles will be

    • Options
    • A. more at the crown
    • B. less at the edges
    • C. more at the edges
    • D. same at the edges as well as at the crown
    • E. none of these.
    • Discuss
    • 8. Minimum radius of a simple circular curve deflecting through 5°, is

    • Options
    • A. 1618.9 m
    • B. 1816.9 m
    • C. 1718.9 m
    • D. 1817.9 m
    • Discuss
    • 9. Degree of a road curve is defined as the angle in degrees subtended at the centre by an arc of

    • Options
    • A. 10 metres
    • B. 20 metres
    • C. 25 metres
    • D. 30 metres
    • E. 50 metres
    • Discuss
    • 10. If the designed speed on a circular curve of radius 1400 m is 80 km/hour, no superelevation is provided, if the camber, is

    • Options
    • A. 4%
    • B. 3%
    • C. 2%
    • D. 1.7%
    • Discuss


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