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  • Question

  • For a poorly graded sub-grade soil, thickness of sub-base, is


  • Options
  • A. 10 cm
  • B. 15 cm
  • C. 20 cm
  • D. 25 cm
  • E. 30 cm

  • Correct Answer
  • 30 cm 

    • Highway Engineering problems

    Search Results

    • 1. If V is speed in km/hour and R is radius of the curve, the superelevation e is equal to

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 2. 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
    • 3. 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
    • 4. 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
    • 5. 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
    • 6. If N is deviation angle, the length L, of a parabolic vertical curve for safe stopping distance S, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E. both (a) and (b)
      • Discuss
    • 7. Longitudinal pavement lines marked broken in white paint

    • Options
    • A. are for the guidance of the drivers
    • B. are not to be crossed over
    • C. may be crossed over at the discretion of the driver
    • D. all the above.
      • Discuss
    • 8. In scanty rainfall regions, the camber provided will be

    • Options
    • A. nil
    • B. flatter
    • C. steeper
    • D. None of these.
      • Discuss
    • 9. Roughness index of roads, is expressed as

    • Options
    • A. size of the stone on the pavement
    • B. number of patches on the pavement
    • C. cumulative deformation of surface per horizontal distance
    • D. type of the road surface.
      • Discuss
    • 10. On most smooth hard surfaced roads, rolling resistance to moving vehicles, ranges from

    • Options
    • A. 5 kg to 7 kg/tonne
    • B. 7 kg to 9 kg/tonne
    • C. 9 kg to 11 kg/tonne
    • D. 11 kg to 13 kg/tonne
    • E. none of these.
      • Discuss

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