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  • Question

  • If sleeper density is M + 7 for 13 m rails, the minimum depth of ballast under wooden sleepers (25 cm x 13 cm), is


  • Options
  • A. 15 cm
  • B. 20 cm
  • C. 25 cm
  • D. 30 cm
  • E. 36 cm

  • Correct Answer
  • 20 cm 

    • Railways problems

    Search Results

    • 1. Pick up the incorrect statement from the following:

    • Options
    • A. Sleepers transfer the load of moving locomotive to the girders of the bridges
    • B. Sleepers act as a non-elastic medium between the rails and ballast
    • C. Sleepers hold the rails at 1 in 20 tilt inward
    • D. Sleepers hold the rails loose on curve.
      • Discuss
    • 2. Width of the top portion of a flat footed, rail, is

    • Options
    • A. 69.85 mm
    • B. 63.50 mm
    • C. 66.77 mm
    • D. 136.52 mm
    • E. none of these.
      • Discuss
    • 3. The place where a railway line and a road cross each other at the same level, is known as

    • Options
    • A. cross over
    • B. railway junction
    • C. road junction
    • D. level crossing
    • E. none of these.
      • Discuss
    • 4. The angle between the gauge faces of the stock rail and tongue rail, is called

    • Options
    • A. switch angle
    • B. angle of crossing
    • C. angle of turnout
    • D. none of these.
      • Discuss
    • 5. If G is gauge is metres, V is speed of trains in km/hour and R is radius of a curve in metres, the equilibrium superelevation is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 6. The rail section which is not used on Indian Broad Gauge tracks, is

    • Options
    • A. 35 R
    • B. 40 R
    • C. 45 R
    • D. 55 R
      • Discuss
    • 7. Wheels of a rolling stock are provided flanges on

    • Options
    • A. outer side
    • B. inner side
    • C. both sides
    • D. neither side.
      • Discuss
    • 8. Minimum composite sleeper index for wooden sleepers used in cross-overs, is

    • Options
    • A. 1152
    • B. 1252
    • C. 1352
    • D. 1452
    • E. none of these.
      • Discuss
    • 9. For calculating the length of curve lead (C.L.), the correct formula is

    • Options
    • A. C.L. = G. cot ?/2
    • B. C.L. = 2IG
    • C. C.L. = 2 GN
    • D. all the above.
      • Discuss
    • 10. The distance between the theoretical noses of crossing along the same rail, in case of diamond crossing, is

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

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