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  • Question
  • The ratio of maximum hourly consumption and average hourly consumption of the maximum day, is


  • Options
  • A. 1.2
  • B. 1.5
  • C. 1.8
  • D. 2.4
  • E. 2.7

  • Correct Answer
  • 2.7 


  • Water Supply Engineering problems


    Search Results


    • 1. For plain chlorination of water, the quantity of chlorine used, is

    • Options
    • A. 0.1 mg/litre
    • B. 0.2 mg/litre
    • C. 0.3 mg/litre
    • D. 0.4 mg/litre
    • E. 0.5 mg/litre.
    • Discuss
    • 2. 45 litres of water per person per day, is provided in

    • Options
    • A. office buildings
    • B. hotels
    • C. hostels
    • D. nurse's homes.
    • Discuss
    • 3. The population of a city in 2000 is 50, 000. The average per decade of the previous records of population is 5000 and average percentage per decade is 20%. The population of the city based on geometrical increase method, in the year 2020 will be

    • Options
    • A. 56, 000
    • B. 60, 000
    • C. 64, 000
    • D. 70, 000
    • E. 72, 000
    • Discuss
    • 4. The detention period for plain sedimentation water tanks, is usually

    • Options
    • A. 4 to 8 hours
    • B. 8 to 16 hours
    • C. 16 to 24 hours
    • D. 24 to 36 hours.
    • Discuss
    • 5. The depth of the water table at a place is 45 m below the general ground level. To lift water from a deep tube well in such a locality, the type of pump to be installed is

    • Options
    • A. Centrifugal pump
    • B. Reciprocating pump
    • C. Deep well turbine pump
    • D. None of these.
    • Discuss
    • 6. The valves provided at low points of pipes to drain off water quickly under gravity, are called

    • Options
    • A. blow off valves
    • B. drain valves
    • C. sewer valves
    • D. all the above.
    • Discuss
    • 7. The efficiency of sedimentation tank does not depend upon

    • Options
    • A. depth of tank
    • B. length of tank
    • C. detention period
    • D. velocity of water.
    • Discuss
    • 8. In pumping stations, the type of joint generally used, is

    • Options
    • A. socket and spigot joint
    • B. flanged joint
    • C. expansion joint
    • D. dresser coupling joint
    • E. flexible joint.
    • Discuss
    • 9. Distribution of wash water is provided in

    • Options
    • A. sedimentation tank
    • B. slow sand filter
    • C. rapid gravity filter
    • D. all the above.
    • Discuss
    • 10. Service connections to consumers houses, are generally provided with

    • Options
    • A. copper pipes
    • B. hume pipes
    • C. galvanised iron pipes
    • D. P.V.C. pipes
    • E. none of these.
    • Discuss


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