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  1. Steel sleepers are

    2. A.

    rectangular is cross section throughout
    B.
    hollow circular pipes
    C.

    6 mm thick steel sheets with ends bent down
    D.

    6 mm thick steel sheets with ends bent up.

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  2.  

    If D is distance between centres of two parallel tracks of gauge G with entire curved leads and equal angles of crossing, total length of crossover, is
    3. A.

    \(\sqrt{ D (4R-2G-D)}\)
    B.

    \(\sqrt{ D (3R-2G-D)}\)
    C.

    \(\sqrt{ D (3R+2G-D)}\)
    D.

    \(\sqrt{ D (4+2G-D)}\)

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  3. Pick up the incorrect statement from the following:
    4. A.
    Ends of adjoining rails should be in true alignment
    B.

    Rail joints should be as strong as the rail section itself
    C.

    Rail joints should be elastic laterally as well as vertically
    D.
    Ends of adjoining rails butt against to give a continuity
    E.
    All the above.

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  4. Staggered rail joints are generally provided
    5. A.

    on curves
    B.

    on tangents
    C.

    on bridges
    D.

    in tunnels.

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  5.  

    Bull headed rails are generally provided on
    6. A.

    points and crossing
    B.

    straight tangents
    C.

    curved tracks
    D.

    metre gauge tracks
    E.

    none of these.

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  6. The check rails are placed opposite the crossing so that

    7. A.

    it is symmetrically placed opposite nose of crossing
    B.

    its one-third length is ahead of the nose of crossing
    C.

    its two-third length is ahead of the nose of crossing
    D.

    its three fourth length is ahead of the nose of crossing.

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  7. Weight and cross section of the rails are decided on

    8. A.
    gauge of tracks
    B.
    speed of trains
    C.

    spacing of sleepers
    D.

    type of railsall the above.
    E.

    all the above.

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  8. Main disadvantage of steel sleepers, is :
    9. A.

    it gets rusted quickly
    B.

    its lugs some times get broken
    C.

    its lugs some times get split
    D.

    all the aboye.

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  9. An extra 7.5 cm ballast width is not provided on outer side on a curve, if its degree is

    10. A.

    6°
    B.

    5°
    C.

    4°
    D.

    3°
    E.

    2°

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  10. The factor for deciding the type of sleeper, is

    11. A.

    easy fixing and removal of rails
    B.
    provision of sufficient bearing area for rails
    C.

    initial and maintenance costs
    D.

    strength to act as a beam under loadsall the above.
    E.

    all the above.

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