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Civil Engineering :: Railways

  1. The place where a railway line and a road cross each other at the same level, is known as

  2. A.

    cross over

    B.

    railway junction

    C.

    road junction

    D.

    level crossing

    E.

    none of these.

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  3. On Indian Railways standard length of rails for B.G. track, is

  4. A.

    33 ft (10.06 m)

    B.
    36 ft (10.97 m)
    C.

    39 ft (11.89 m)

    D.

    42 ft (12.8 m)

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  5. Heel of crossing is the line joining

  6. A.

    ends of splice rail and point rail

    B.

    ends of lead rails butting the crossing

    C.

    ends of wing rails

    D.
    throat and actual nose of crossing.

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  7. A mono-block sleeper has

  8. A.

    square section

    B.

    rectangular section

    C.

    trapezoidal section

    D.

    semi-circular section

    E.

    none of these.

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  9.  

    Minimum length of a transition curve required for

  10. A.

    2° curves for a maximum permissible speed of 135 km/hr, is 220 metres

    B.

    4° curves for a maximum permissible speed of 95 km/hr, is 220 metres

    C.

    6° curves for a maximum permissible speed of 80 km/hr, is 220 metres

    D.

    All the above.

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  11. The distance between the theoretical noses of crossing along the same rail, in case of diamond crossing, is

  12. A.

    \(\frac { G } { sin 1/2F } \)

    B.

    \(\frac { G } { sin F } \)

    C.

    \(\frac { G } { tan F } \)

    D.

    \(\frac { G } { cos F } \)


  13. A triangle used for turning the face of locomotives, consists of

  14. A.

    three turn outs

    B.
    one turn out and two splits
    C.

    two turn outs and one split

    D.

    three splits.

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  15. Monnier, the inventor of R.C.C., suggested the introduction of reinforced cement concert sleepers for the railways in

  16. A.

    1857

    B.

    1867

    C.

    1877

    D.

    1887

    E.
    1897

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  17. If D is the distance between the parallel sidings and α is the angle of crossing, the distance between the noses of crossing measured parallel to the gathering line, is

  18. A.

    D tan α

    B.

    D cot α

    C.

    D sin α

    D.

    D cos α

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  19. Regional Indian railways use different types of sleepers according to their

  20. A.

    availability

    B.

    economy

    C.

    suitability

    D.
    design
    E.

    all the above.

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