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Civil Engineering :: Railways

  1. The standard dimensions of a wooden sleeper for M.G. railway track are

  2. A.

    2.74 m x 25 cm x 13 cm

    B.

    1.83 m x 20 cm x 11 cm

    C.

    1.52 m x 15 cm x 10 cm

    D.

    1.75 m x 20 cm x 12 cm

    E.

    none of these.

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  3.  

    If G is gauge is metres, V is speed of trains in km/hour and R is radius of a curve in metres, the equilibrium superelevation is

  4. A.

    \( \frac { GV^2 } { R } \)

    B.

    \( \frac { GV^2 } { 17R } \)

    C.

    \( \frac { GV^2 } { 127R } \)

    D.

    \( \frac { GV^2 } { 130R } \)


  5. The standard width of ballast for B.G.track in Indian Railways, is kept

  6. A.

    3.35 m

    B.

    3.53 m

    C.

    2.35 m

    D.

    2.53 m

    E.

    none of these.

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  7.  

    The angle between the gauge faces of the stock rail and tongue rail, is called

  8. A.
    switch angle
    B.

    angle of crossing

    C.

    angle of turnout

    D.

    none of these.

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  9. Top surface of steel sleepers, is

  10. A.
    kept level throughout
    B.
    provided a cant of 1 in 20 inward
    C.

    provided a cant of 1 in 20 outward

    D.
    none of these.

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  11. Wheels of a rolling stock are provided flanges on

  12. A.

    outer side

    B.

    inner side

    C.

    both sides

    D.

    neither side.

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  13. The arrangement of rails which permit trains to cross another track and also to divert to the other track, is called

  14. A.

    diamond crossing

    B.

    diamond crossing with single slip

    C.

    diamond crossing with double slip

    D.

    cross over.

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  15. To achieve best performance, the type of switch preferred to, is

  16. A.

    undercut switch

    B.

    straight-cut switch

    C.

    overriding switch

    D.

    both (a) and (b)

    E.

    none of these.

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  17. Degree of a railway curve is defined as number of degrees subtended at the centre of a curve by an arc of

  18. A.

    10 m

    B.

    15 m

    C.

    20 m

    D.

    30.5 m

    E.

    30 m

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  19. Pot sleepers are used if degree of the curve does not exceed

  20. A.

    B.

    C.

    D.
    E.

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