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Civil Engineering :: Highway Engineering

  1. The attainment of super elevation by rotation of pavement about the inner edge of the pavement

  2. A.

     is preferable in steep terrain

    B.

     results in balancing the earthwork

    C.

     avoids the drainage problem in flat terrain

    D.

     does not change the vertical alignment of road

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  3. The ruling design speed on a National Highway in plain terrain as per IRC recommendations is

  4. A.

     60 kmph

    B.

     80 kmph

    C.

     100 kmph

    D.

     120 kmph

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  5. The transition curve used in the horizontal alignment of highways as per IRC recommendations is

  6. A.

     spiral

    B.

     lemniscate

    C.

     cubic parabola

    D.

     any of the above

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  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

  8. A.

     1500 vehicles per hour

    B.

     2000 vehicles per hour

    C.

     2500 vehicles per hour

    D.

     3000 vehicles per hour

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  9. The absolute minimum radius of curve for safe operation for a speed of 110 kmph is

  10. A.

     110 m

    B.

     220 m

    C.

     440 m

    D.

     577 m

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  11. For the design of super elevation for mixed traffic conditions, the speed is reduced by

  12. A.

     15%

    B.

     20%

    C.

     25%

    D.

     75%

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  13. If the average center to center spacing of vehicles is 20 meters, then the basic capacity of a traffic lane at a speed of 50 kmph is

  14. A.

     2500 vehicles per day

    B.

     2000 vehicles per hour

    C.

     2500 vehicles per hour

    D.

     1000 vehicles per hour

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  15. Bottom most layer of pavement is known as

  16. A.

     wearing course

    B.

     base course

    C.

     sub-base course

    D.

     subgrade

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  17. In case of hill roads, the extra widening is generally provided

  18. A.

     equally on inner and outer sides of the curve

    B.

     fully on the inner side of the curve

    C.

     fully on the outer side of the curve

    D.

     one-fourth on inner side and three-fourth on outer side of the curve

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  19. On a horizontal curve if the pavement is kept horizontal across the alignment, then the pressure on the outer wheels will be

  20. A.

     more than the pressure on inner wheels

    B.

     less than the pressure on inner wheels

    C.

     equal to the pressure on inner wheels

    D.

     zero

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