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  • Question
  • 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.

  • Correct Answer
  • dresser coupling joint 


  • Water Supply Engineering problems


    Search Results


    • 1. 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
    • 2. The pH value of water fit for drinking, is

    • Options
    • A. 13
    • B. 11
    • C. 9
    • D. 7
    • E. 5
    • Discuss
    • 3. 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
    • 4. 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
    • 5. The flow of water gets retarded, in

    • Options
    • A. settling tank
    • B. sedimentation tank
    • C. clarifer
    • D. sedimentation basin
    • E. all the above.
    • Discuss
    • 6. The gaseous form of chlorine gets converted into liquid form when subjected to a pressure of

    • Options
    • A. 5 kg/cm2
    • B. 6 kg/cm2
    • C. 7 kg/cm2
    • D. 8 kg/cm2
    • E. 10 kg/cm2.
    • Discuss
    • 7. Pick up the correct statement from the following :

    • Options
    • A. Large solids carried along the river bed, is known as bed load
    • B. The bigger suspended particles get deposited in the head reaches of the reservoir
    • C. The fine sediment deposits are generally near the face of the dam
    • D. Deposition of sediment in the reservoir, reduces the capacity of the reservoir
    • E. All the above.
    • Discuss
    • 8. Disappearance of pink colour of water of a well due of KMnO4 indicates that water contains

    • Options
    • A. acidity
    • B. alkalinity
    • C. turbidity
    • D. organic matter
    • E. all the above.
    • Discuss
    • 9. Grade aqueducts are not allowed to run

    • Options
    • A. full
    • B. th full
    • C. full
    • D. th full.
    • Discuss
    • 10. Pick up the correct statement from the following :

    • Options
    • A. The precipitation during its travel in atmosphere dissolves certain gases
    • B. Rain water which percolates through the ground, is free from suspended materials
    • C. Under ground water may dissolve minerals and salts present in the earth's layers
    • D. Small quantities of iron, calcium and magnesium dissolved in water, may be useful for human health
    • E. All the above.
    • Discuss


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