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  • Question
  • The average domestic consumption under normal conditions in an Indian city per day per person, is


  • Options
  • A. 105 litres
  • B. 115 litres
  • C. 125 litres
  • D. 135 litres
  • E. 150 litres.

  • Correct Answer
  • 135 litres 


  • Water Supply Engineering problems


    Search Results


    • 1. An ideal sand for filters should be

    • Options
    • A. free from dirt and other impurities
    • B. uniform in nature and size
    • C. hard and resistant
    • D. all the above.
    • Discuss
    • 2. Pressure relief valves are provided in water mains

    • Options
    • A. to reduce the pressure
    • B. at low points
    • C. upstream of sluice
    • D. all the above.
    • Discuss
    • 3. The head against which the motor works for lifting water, is

    • Options
    • A. maximum depth of water table below ground level
    • B. maximum depression head
    • C. velocity head
    • D. frictional losses in the delivery pipe
    • E. all the above.
    • Discuss
    • 4. Gravity conduits are generally in the form of

    • Options
    • A. canals
    • B. flumes
    • C. aqueduct
    • D. tunnels
    • E. all the above.
    • Discuss
    • 5. To remove very fine suspended particles from water, the method adopted is

    • Options
    • A. screening
    • B. sedimentation
    • C. boiling
    • D. filtration.
    • Discuss
    • 6. When gravity and pumping systems of water distribution are adopted, the type of distribution reservoir, is

    • Options
    • A. elevated tank
    • B. ground source reservoir
    • C. intz tank
    • D. stand pipe.
    • Discuss
    • 7. For calculation of economical diameter D of a pipe in metres for a discharge Q to be pumped in cumecs, Lea suggested the empirical formula

    • Options
    • A. D = 0.22 Q
    • B. D = 1.22 Q
    • C. D = 2.22 Q
    • D. D = 3.22 Q
    • E. D = 1.33 Q.
    • Discuss
    • 8. The valve fitted closely in a recess against an opening in a pipe, is generally

    • Options
    • A. wedge shaped circular disc
    • B. spherical disc
    • C. parallelopiped disc
    • D. conical shaped circular disc.
    • Discuss
    • 9. For the same draw down in two observations wells at distances r1 and r2, the times after start of pumping are t1 and t2 hours respectively. The relation which holds good is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E. none of these.
    • Discuss
    • 10. Water may contain

    • Options
    • A. bicarbonate alkalinity
    • B. carbonate alkalinity
    • C. hydroxide alkalinity
    • D. caustic alkalinity
    • E. all the above.
    • Discuss


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