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Civil Engineering :: Highway Engineering

  1. If R is the radius of a main circular curve, Δ is the angle of deflection and α is the polar deflection angle of any point, its radial distance is

  2. A.
    3 R sin Δ/3 sin 2α
    B.
    3 R sin Δ/2 sin 3α
    C.
    3 R sin Δ/3 sin α/2
    D.
    3 R sin 2Δ sin α

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  3. Super-elevation on roads in snow bound areas, should generally not exceed

  4. A.
    15%
    B.
    12%
    C.
    10%
    D.
    7%
    E.
    6%

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  5. If the width of a pavement slab is 7.5 m, thickness 20 cm and working stress 1400 kg/cm2, spacing of 10 mm tie bars for the longitudinal joint, is

  6. A.
    10 cm
    B.
    20 cm
    C.
    30 cm
    D.
    40 cm
    E.
    50 cm

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  7. Minimum number of 50 kg cement bags per cubic metre of concrete for a mix corresponding to crushing strength 280 kg/cm2 at 28 days, are

  8. A.
    5.0
    B.
    6.5
    C.
    7.0
    D.
    7.5
    E.
    8.0

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  9. Three points, A, B and C 500 m apart on a straight road have 500 m, 505 m and 510 m as their reduced levels. The road is said to have

  10. A.
    no gradient between A and C
    B.
    a positive gradient between A and C
    C.
    a negative gradient between A and C
    D.
    a negative gradient between A and B
    E.
    a positive gradient between A and B followed by a negative gradient between B to C.

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  11. In a braking test, a vehicle travelling at 36 km ph was stopped at a braking distance of 8.0 m. The average value of the vehicle's skid resistance (friction coefficient) is

  12. A.
    0.64
    B.
    6.25
    C.
    0.16
    D.
    none of these

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  13. If present A.D.T. is 5000 vehicles and annual increase is 10%, the average future flow after 5 years will be

  14. A.
    6050 vehicles
    B.
    7050 vehicles
    C.
    8050 vehicles
    D.
    9050 vehicles

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  15. To prevent a head-on-collision of vehicles travelling in opposite directions along four-lane roads

  16. A.
    markings on the road are provided
    B.
    physical dividers are provided
    C.
    area dividers are provided
    D.
    medians of wide area are provided
    E.
    none of these.

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  17. Pick up the correct statement from the following:

  18. A.
    Detailed survey is carried out for a strip of land about 15 m on either side of the trace cut along straight portions
    B.
    Detailed survey is carried out for a strip of land about 30 m at sharp curves
    C.
    Levels are taken along the trace cut at an interval of 20 m
    D.
    Contour interval is generally adopted at 2 metres vertical interval
    E.
    All the above.

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  19. The G.T. road from Lahore to Calcutta in undivided India, was constructed during

  20. A.
    3495-3500 BC
    B.
    265-270 BC
    C.
    1540-1545 AD
    D.
    1440-1450

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