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  1. Dog spikes are used for fixing rail to the

  2. A.

     wooden sleepers

    B.

     CST-9 sleepers

    C.

     steel trough sleepers

    D.

     concrete sleepers

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  3. Consider the following surveys.
    1. Reconnaissance survey
    2. Preliminary survey
    3. Traffic survey
    4. Location survey
    The correct sequence in which these surveys are conducted before the alignment of a track is finalised is

  4. A.

     1,3,2,4

    B.

     1,3,4,2

    C.

     3,1,4,2

    D.

     3,1,2,4

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  5. Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275x25x13 cm with 75cm sleeper spacing is

  6. A.

     15 cm

    B.

     20 cm

    C.

     25 cm

    D.

     30cm

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  7. Number of dog spikes normally used per rail seat on curved track is

  8. A.

     one on either side

    B.

     two outside and one inside

    C.

     one outside and two inside

    D.

     two outside and two inside

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  9. The formation width for a single line meter gauge track in embankment as adopted on Indian Railways is

  10. A.

     4.27 m

    B.

     4.88 m

    C.

     5.49 m

    D.

     6.10 m

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  11. The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is

  12. A.

     6.10 m

    B.

     8.84 m

    C.

     10.21m

    D.

     10.82 m

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  13. The shape of transition curve used by Indian Railways is

  14. A.

     cubic parabola

    B.

     spiral

    C.

     sine curve

    D.

     lemniscate of Bernoulli

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  15. If ‘A’ is the angle formed by two gauge faces, the crossing number will be

  16. A.

     tan A

    B.

     cot A

    C.

     sec A

    D.

     Arad

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  17. The load on each axle of a locomotive is 22 tonnes. If the coefficient of friction is 0.2, then the hauling capacity due to 3 pairs of driving wheels will be

  18. A.

     26.41

    B.

     19.81

    C.

     13.21

    D.

     6.61

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  19. Pandrol clips cannot be used with

  20. A.

     wooden sleepers

    B.

     concrete sleepers

    C.

     CST-9 sleepers

    D.

     steel trough sleepers

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