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Civil Engineering :: Highway Engineering

  1. The gradients of trace cuts for hilly roads, are kept

  2. A.
    equal to ruling gradient
    B.
    10 tO 20 per cent easier than ruling gradients
    C.
    10 to 20 per cent steeper than ruling gradients
    D.
    none of these.

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  3. The width of the right of way in urban area, is kept between 24 m to 60 m for

  4. A.
    National Highways
    B.
    State Highways
    C.
    Both (a) and (b)
    D.
    None of these.

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  5. The safe length L of a valley curve for night travel is

  6. A.
    B.
    C.
    neither (a) nor (b)
    D.
    both (a) and (b)

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  7. If the rate of change of the super-elevation along a curved portion of a 7 metre wide road is 1 in 150 and the maximum super-elevation allowed is 1 in 15, the maximum length of the transition curve to be provided at either end, is

  8. A.
    65 m
    B.
    70 m
    C.
    75 m
    D.
    80 m
    E.
    90 m

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  9. The full width of land acquired before finalising a highway, alignment is known

  10. A.
    width of formation
    B.
    right of way
    C.
    carriage way
    D.
    roadway.

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  11. Retaining walls are generally constructed with dry rubble stones with 60 cm top width and

  12. A.
    1 : 2 front batter
    B.
    1 : 3 front batter
    C.
    1 : 4 front batter
    D.
    1 : 5 front batter

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  13. The ability of a driver to stop the vehicle moving with the designed speed, depends upon:

  14. A.
    perception time
    B.
    brake reaction time
    C.
    efficiency of the brakes
    D.
    frictional resistance between road surface and vehicle
    E.
    all the above.

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  15. To prevent compressive stresses in a rigid concrete pavement, the joint prvoided, is

  16. A.
    expansion joint
    B.
    contraction joint
    C.
    hinged joint
    D.
    all the above.

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  17. In case of cement concrete pavements, pick up the incorrect statement

  18. A.
    tractive resistance is low
    B.
    initial cost of construction is high
    C.
    initial cost of construction is low
    D.
    visibility during nights is high
    E.
    none of these.

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  19. The radius of curvature provided along a transition curve, is

  20. A.
    minimum at the beginning
    B.
    same throughout its length
    C.
    equal to the radius of circular curve
    D.
    varying from infinity to the radius of circular curve.

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