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  • Question

  • If D is distance between centres of two parallel track of gauge G, then, total length of cross-over (from the point of commencement to the point of termination) with an intermediate straight portion and N crossing, is given by


  • Options
  • A. DN + G (N + 1 + N2)
  • B. DN + G (2N + 1 + N2)
  • C. DN + G (3N + 1 + N2)
  • D. DN + G (4N + l +N2)

  • Correct Answer
  • DN + G (3N + 1 + N2) 

    • More questions

    • 1. Granite mainly composed of quartz and felsper particles, is obtained from

    • Options
    • A. sedimentary rocks
    • B. metamorphic rocks
    • C. igneous rocks
    • D. all the above.
      • Discuss
    • 2. The displacement of the pictured position of a point of h elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is

    • Options
    • A. 4.4 mm
    • B. 5.5 mm
    • C. 6.5 mm
    • D. 7.5 mm
    • E. 10 mm
      • Discuss
    • 3. The minimum length of the side or diameter of the column base shall not be less than (where d is the minimum diameter of the column).

    • Options
    • A. (d + 75) mm
    • B. 1.2 (d - 75) mm
    • C. 1.5 (d + 75) mm
    • D. 1.6 (d + 75) mm
      • Discuss
    • 4. Water may not contain much impurities if its source is

    • Options
    • A. reservoirs
    • B. stream flowing in plains
    • C. lakes in lower regions
    • D. spring along hill slopes
    • E. none of these.
      • Discuss
    • 5. The valve shown in the below figure, is generally known as

    • Options
    • A. air valve
    • B. pressure relief valve
    • C. sluice valve
    • D. none of these.
      • Discuss
    • 6. The angle of projection for a range is equal to the distance through which the particle would have fallen in order to acquire a velocity equal to the velocity of projection, will be

    • Options
    • A. 30°
    • B. 45°
    • C. 60°
    • D. 75°.
      • Discuss
    • 7. To retard the initial setting time of cement, the compound responsible, is

    • Options
    • A. Tricalcium silicate
    • B. Gypsum
    • C. Di-calcium silicate
    • D. Tri calcium aluminate.
      • Discuss
    • 8. Traffic surveys are carried out

    • Options
    • A. to know the type of traffic
    • B. to determine the facilities to traffic regulations
    • C. to design proper drainage system
    • D. all the above.
      • Discuss
    • 9. The bending moment at E for the structure shown in below figure, is

    • Options
    • A. zero
    • B. 10 Tm
    • C. 20 Tm
    • D. 40 Tm.
      • Discuss
    • 10. Minimum gradient in station yards is generally limited to

    • Options
    • A. 1 in 1000
    • B. 1 in 750
    • C. 1 in 500
    • D. 1 in 400
    • E. zero
      • Discuss

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