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Civil Engineering :: Railway Engineering

  1. The steepest gradient permissible on a 2.5° curve for Broad Gauge line having ruling gradient of 1 in 200 is

  2. A.

     1 in 250

    B.

     1 in 222

    C.

     1 in 235

    D.

     1 in 275


  3. The desirable rate of change of cant deficiency in case of Metre Gauge is

  4. A.

     20 mm/sec

    B.

     35 mm/sec

    C.

     55 mm/sec

    D.

     65 mm/sec


  5. When the rail ends rest on a joint sleeper, the joint is termed as

  6. A.

     supported rail joint

    B.

     suspended rail joint

    C.

     bridge joint

    D.

     base joint


  7. The type of spike used for fixing chairs of bull headed rails to wooden sleepers is

  8. A.

     Dog spike

    B.

     Rail screw

    C.

     Elastic spike

    D.

     Round spike


  9. Width of ballast section for Broad Gauge is

  10. A.

     1.83 m

    B.

     2.25 m

    C.

     3.35 m

    D.

     4.30 m


  11. The limiting value of cant excess for Broad Gauge is

  12. A.

     55 mm

    B.

     65 mm

    C.

     75 mm

    D.

     l00 mm


  13. The height of the center of arm of a semaphore signal above the ground is

  14. A.

     5.5m

    B.

     6.5 m

    C.

     7.5 m

    D.

     8.5m


  15. Number offish bolts per fish plate is

  16. A.

     2

    B.

     4

    C.

     5

    D.

     6


  17. The following tests are conducted for rails:
    i) falling weight test
    ii) tensile test
    iii) hammer test
    The compulsory tests are

  18. A.

     only (i)

    B.

     (i)and(ii)

    C.

     (ii) and (iii)

    D.

     (i) and (iii)


  19. Stretcher bar is provided

  20. A.

     To permit lateral movement of the tongue rail

    B.

     To maintain the two tongue rails at the exact distance

    C.

     To ensure exact gauge at the toe of the switch as well as the nose of crossing

    D.

     To prevent any vertical movement between the wing rail and nose of crossing