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Home Civil Engineering Water Supply Engineering Comments

  • Question
  • The flow of water gets retarded, in


  • Options
  • A. settling tank
  • B. sedimentation tank
  • C. clarifer
  • D. sedimentation basin
  • E. all the above.

  • Correct Answer
  • all the above. 


  • Water Supply Engineering problems


    Search Results


    • 1. The maximum permissible colour for domestic supplies based on cobalt scale, is

    • Options
    • A. 5 ppm
    • B. 10 ppm
    • C. 15 ppm
    • D. 20 ppm
    • E. 25 ppm.
    • Discuss
    • 2. 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
    • 3. 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
    • 4. 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
    • 5. 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
    • 6. Growth of population can be conveniently represented by

    • Options
    • A. an arithmetical curve
    • B. a semi-logarithmic curve
    • C. a logistic curve
    • D. a straight line curve
    • E. all the above.
    • Discuss
    • 7. In a well planned city, the layout of distribution pipes generally adopted, is

    • Options
    • A. grid-iron system
    • B. interlaced system
    • C. reticulation system
    • D. all the above.
    • Discuss
    • 8. The pH value of water fit for drinking, is

    • Options
    • A. 13
    • B. 11
    • C. 9
    • D. 7
    • E. 5
    • Discuss
    • 9. Bacterias which can survive with or without free oxygen, are known

    • Options
    • A. aerobic bacterias
    • B. anerobic bacterias
    • C. facultative bacterias
    • D. none of these.
    • Discuss
    • 10. The joint used for joining the plain ends of cast iron pipes, is

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


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