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  • Question

  • Asbestos pipes are joined by means of


  • Options
  • A. flanged joint
  • B. flexible joint
  • C. dresser coupling joint
  • D. simplex joint
  • E. socket and spigot joint.

  • Correct Answer
  • simplex joint 

    • Water Supply Engineering problems

    Search Results

    • 1. For the prediction of future population of a city, the factor to be considered, is

    • Options
    • A. births
    • B. deaths
    • C. migrants
    • D. all the above.
      • Discuss
    • 2. Pick up the incorrect statement from the following :

    • Options
    • A. The flow in strainer type wells is radial
    • B. The flow in cavity type wells in spherical
    • C. In strainer type wells, area of flow depends upon the length of the strainer pipe
    • D. In cavity type wells, area of flow depends upon the size of the cavity
    • E. None of these.
      • Discuss
    • 3. Chlorination of water does not remove

    • Options
    • A. ammonia content
    • B. B.O.D.
    • C. organic matter content
    • D. dissolved oxygen.
      • Discuss
    • 4. For a network of distribution pipes of a proposed township shown in the below figure, the layout of distribution system, is

    • Options
    • A. dead end system
    • B. grid-iron system
    • C. ring system
    • D. radial system.
      • Discuss
    • 5. Water is distributed to consumers by gravitational system, in

    • Options
    • A. Dehradun
    • B. Bombay
    • C. Delhi
    • D. Calcutta
    • E. Both (a) and (b).
      • Discuss
    • 6. The dilution ratio at which the odour is hardly detectable is generally called threshold odour number and for public supplies it should not exceed

    • Options
    • A. 3
    • B. 5
    • C. 7
    • D. 9
    • E. 10
      • Discuss
    • 7. 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
    • 8. While designing a water supply of an industrial township, industrial and commercial water demand of total supply, is assumed

    • Options
    • A. 10%
    • B. 10 to 15%
    • C. 15 to 20%
    • D. 20 to 25%.
      • Discuss
    • 9. Abyssinian tube well is a special type of

    • Options
    • A. slotted type wells
    • B. cavity type wells
    • C. strainer type well
    • D. none of these.
      • Discuss
    • 10. Air valves are generally provided in pressure pipes of water supply

    • Options
    • A. at pipe junctions
    • B. at summits
    • C. at low points
    • D. near service pipes.
      • Discuss

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