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Home Civil Engineering Water Supply Engineering Comments

  • Question
  • For centrifugal pumps


  • Options
  • A. initial cost is low
  • B. limited space is required
  • C. the discharge obtained is steady and non-pulsating
  • D. all the above.

  • Correct Answer
  • all the above. 


  • Water Supply Engineering problems


    Search Results


    • 1. Turbidity of water may be caused due to

    • Options
    • A. Suspended clay
    • B. Suspended silt
    • C. finely divided organic material
    • D. all the above.
    • Discuss
    • 2. 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
    • 3. Distribution of wash water is provided in

    • Options
    • A. sedimentation tank
    • B. slow sand filter
    • C. rapid gravity filter
    • D. all the above.
    • Discuss
    • 4. 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
    • 5. 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
    • 6. The cast iron pipes for water supply system are used for

    • Options
    • A. durability
    • B. strength
    • C. easy connection
    • D. low maintenance cost
    • E. all the above.
    • Discuss
    • 7. The maximum permitted loss of head in a rapid sand filter, is

    • Options
    • A. 1 m
    • B. 2 m
    • C. 3 m
    • D. 4 m
    • E. 5 m.
    • Discuss
    • 8. The permissible pH value for public water supplies may range between

    • Options
    • A. 4.5 to 5.5
    • B. 5.5 to 6.5
    • C. 6.5 to 8.5
    • D. 8.5 to 10.5
    • E. none of these.
    • Discuss
    • 9. Standard process of chlorination of water, is done by

    • Options
    • A. plain chlorination
    • B. pre-chlorination
    • C. post-chlorination
    • D. double chlorination.
    • Discuss
    • 10. For maximum alkalinity of water, pH value should be

    • Options
    • A. zero
    • B. less than 7
    • C. more than 7
    • D. 14
    • E. 21
    • Discuss


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