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Civil Engineering :: Railways

  1. Minimum composite sleeper index for wooden sleepers used in cross-overs, is

  2. A.

    1152

    B.

    1252

    C.

    1352

    D.

    1452

    E.

    none of these.

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  3. The spike commonly used to fix rails to wooden sleepers in Indian railways, is

  4. A.

    dog spike

    B.

    screw spike

    C.

    round spike

    D.

    all the above.

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  5. If S and H are strength and hardness index of a timber at 12% moisture content, the composite sleeper index, is

  6. A.

    \( \frac { H+10S} { 20 } \)

    B.

    \( \frac { S+10S} { 20 } \)

    C.

    \( \frac { 20S+H} { 20 } \)

    D.

    \( \frac { S+20H} { 20 } \)


  7.  

    In Indian railways, plate laying is usually done by

  8. A.

    side method

    B.

    telescopic method

    C.
    American method
    D.

    all the above.

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  9. Stock rails are

  10. A.

    parts of crossing

    B.

    fitted against check rails

    C.

    fitted against tongue rails

    D.

    laid between heel of switch and nose of crossing.

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  11.  

    The grade compensation on B.G. tracks on Indian Railways, is

  12. A.

    0.02%

    B.

    0.03%

    C.

    0.04%

    D.

    0.05%

    E.

    0.06%

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  13. Maximum cant deficiency prescribed on Indian Board Gauge Railways, is

  14. A.

    40 mm50 mm

    B.

    50 mm

    C.

    75 mm

    D.
    100 mm
    E.

    25 mm

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  15. Gauge of a permanent way, is

  16. A.

    minimum distance between running faces of rails

    B.
    minimum distance between outer faces of rails
    C.

    distance between centres of rails

    D.

    width of formation

    E.

    none of these.

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  17. On Indian Railways standard length of rails for M.G. track, is

  18. 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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  19.  

    For calculating the length of curve lead (C.L.), the correct formula is

  20. A.

    C.L. = G. cot α/2

    B.

    C.L. = \(\sqrt{2/G}\)

    C.
    C.L. = 2 GN
    D.

    all the above.