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Railway Engineering - section-1
  1. The main function of a fish plate is

    2. A.

     To join the two rails together
    B.

     To join rails with the sleeper
    C.

     To allow rail to expand and contract freely
    D.

     None of the above

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  2. For a sleeper density of (n+5), the number of sleepers required for constructing a broad gauge railway track of length 650 m is

    3. A.

     975
    B.

     918
    C.

     900
    D.

     880

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  3. A train is hauled by 2-8-2 locomotive with 22.5 tonnes and on each driving axle. Assuming the coefficient of rail-wheel friction to be 0.25, what would be the hauling capacity of the locomotive?

    4. A.

     15.0 tonnes
    B.

     22.5 tonnes
    C.

     45.0 tonnes
    D.

     90.0 tonnes

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  4. The limiting value of cant gradient for all gauges is

    5. A.

     1 in 360
    B.

     1 in 720
    C.

     1 in 1000
    D.

     1 in 1200

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  5. The correct relation between curve lead (CL), switch lead (SL) and lead of cros¬sing (L) is given by

    6. A.

     CL = L – SL
    B.

     L =CL-SL
    C.

     SL = L + CL
    D.

     L = (CL+SL)/2

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  6. The object of providing a point lock is

    7. A.

     to ensure that each switch is correctly set
    B.

     to ensure that the point may not be operated while the train is on it
    C.

     to detect any obstruction between and tongue rail
    D.

     none of the above

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  7. Flat mild steel bearing plates are used

    8. A.

     For points and crossings in the lead portion
    B.

     With wooden sleepers at locations where creep is likely to be developed
    C.

     On all joints and curves
    D.

     On all the above

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  8. The height of the rail for 52 kg rail section is

    9. A.

     143 mm
    B.

     156 mm
    C.

     172 mm
    D.

     129mm

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  9. Head width of 52 kg rail section is

    10. A.

     61.9 mm
    B.

     66.7 mm
    C.

     67 mm
    D.

     72.33 mm

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  10. Largest percentage of material in the rail is in its

    11. A.

     head
    B.

     web
    C.

     foot
    D.

     head and foot both

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