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Civil Engineering :: Highway Engineering

  1. The normal road width of National and State highways

  2. A.
    is kept 45 m
    B.
    in plain and rolling terrain built-up area, is 30 m
    C.
    in mountainous built-up area is 20 m
    D.
    All the above.

  3. The extra widening of pavements recommended by Indian Roads Congress for hill roads having radius 150 metres, is

  4. A.
    1.5 m
    B.
    1.0 m
    C.
    0.5 m
    D.
    0.0 m
    E.
    2.0 m

  5. The steepest gradient permitted on roads which, in ordinary conditions, does not exceed, is known

  6. A.
    ruling gradient
    B.
    maximum gradient
    C.
    exceptional gradient
    D.
    floating gradient
    E.
    all the above.

  7. For night travel, the length of a valley curve should be such that the head light beam distance is the same as

  8. A.
    stopping sight distance
    B.
    overtaking sight distance
    C.
    sum of (a) and (b)
    D.
    difference of (a) and (b)

  9. Stability of hill slopes depends upon

  10. A.
    nature of the slope
    B.
    angle of the slope
    C.
    geological conditions
    D.
    ground water conditions
    E.
    all the above.

  11. Selection of the routes, of highways depends upon

  12. A.
    feasibility of attaining ruling gradient
    B.
    avoidance of cutting hard rocks
    C.
    minimum number of bridges
    D.
    minimum possible length of alignment
    E.
    all the above.

  13. The first stage of deciding the alignment of a hill road, is

  14. A.
    reconnaissance
    B.
    detailed survey
    C.
    trace-out
    D.
    preliminary survey.

  15. While designing hair pin bends on higways, the minimum

  16. A.
    designed speed is 20 km/hour
    B.
    gradient is 1 in 40
    C.
    gradient is 1 in 200
    D.
    superelevations is 1 in 10
    E.
    All the above.

  17. Pick up the incorrect statement from the following:

  18. A.
    Tresguet did not provide the top camber for the drainage of surface water
    B.
    Tresguet provided the top camber for the drainage of surface water
    C.
    Telford provided two layers of stones in the central 5.4 m width and one layer was provided on the sides
    D.
    Macadam provided a camber to the formation at the dug-up state, to drain percolated water.

  19. Cement grouted pavement is classified as

  20. A.
    rigid pavement
    B.
    semi-rigid pavement
    C.
    flexible pavement
    D.
    none of these.