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  • Question

  • Charles Vignoles invented the flat footed rails in


  • Options
  • A. 1814
  • B. 1836
  • C. 1846
  • D. 1856
  • E. 1873

  • Correct Answer
  • 1836 

    • Railways problems

    Search Results

    • 1. If q is the discharge per unit width of a channel and D1 D2 are the depths of water before and after hydraulic jump, the following relationship is true

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 2. In a Sarda type fall, the rectangular crest, may be used for discharge upto

    • Options
    • A. 6 cumecs
    • B. 10 cumecs
    • C. 14 cumecs
    • D. 20 cumecs
    • E. 25 cumecs.
      • Discuss
    • 3. A water-logged land is found suitable for cultivation due to

    • Options
    • A. ease of tillage for preparation of the field for optimum condition of germination
    • B. absence of aeration of soil from root zone of the plant
    • C. regular supply of water to plants from the water table by capillary action
    • D. none of these.
      • Discuss
    • 4. The discharge over a trapezoidal crest of a Sarda fall with free over fall conditions, is

    • Options
    • A. 0.45 2g . LH3/2 (H/B)1/3
    • B. 0.45 2g . LH2/3 (H/B)2/3
    • C. 0.45 2g . LH3/2 (H/B)1/6
    • D. 0.45 2g . LH1/6 (H/B)3/2
      • Discuss
    • 5. For the stability of a structure against seepage pressure according to Khosla's creep theory, the critical gradient is

    • Options
    • A. zero
    • B. 0.25
    • C. 0.50
    • D. 0.75
    • E. 1.00
      • Discuss
    • 6. Coal ash (or cinder) is used in initial stages of a new construction of railway for

    • Options
    • A. wooden sleepers
    • B. steel sleepers
    • C. cast iron sleepers
    • D. none of these.
      • Discuss
    • 7. Wooden sleepers used on the girders of bridges, are generally made of

    • Options
    • A. sal
    • B. chir
    • C. teak
    • D. deodar.
      • Discuss
    • 8. Rails are bent to correct curvature if the degree of curve, is more than

    • Options
    • A. 1°
    • B. 2°
    • C. 3°
    • D. 4°
    • E. 6°
      • Discuss
    • 9. Pick up the incorrect statement from the following:

    • Options
    • A. Sleepers hold the rails at proper gauge on straights
    • B. Sleepers provide stability to the permanent way
    • C. Sleepers act as an elastic cushion between rails and ballast
    • D. Sleepers transfer load of moving trains to ballast
    • E. None of the these.
      • Discuss
    • 10. If L1 and L2 are actual and theoretical lengths of a tongue rail, d is heel divergence and t is thickness of tongue rail at toe, the switch angle ? is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss

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