Water Supply Engineering MCQ

Below Water Supply Engineering quiz are Multiple Choice Questions (MCQs) type Quiz. These Water Supply Engineering MCQ Questions helps you to refresh your Water Supply Engineering, you can see the correct option by clicking on it. .
  • 1. Which of the following represents the physical characteristics of water?

    • Chloride content
    • BOD
    • Turbidity
    • COD
  • 2. Water losses in water supply, is assumed as

    • 0.075
    • 0.1
    • 0.225
    • 15%.
  • 3. The efficiency of sedimentation tank does not depend upon

    • depth of tank
    • length of tank
    • detention period
    • velocity of water.
  • 4. Corrosion of well pipes may not be reduced by

    • reducing the draw down and the pumping rate
    • reducing the flow velocity
    • using thicker pipes
    • using screens having larger area of openings
  • 5. Average annual rainfall at any station is the average of annual rainfall over a period of

    • 14 years
    • 21 years
    • 28 years
    • 35 years
  • 6. Sluice valves are fitted in a distribution system

    • along straight length of pipes at suitable intervals
    • at the junctions of the pipes
    • at the branching off points of sub-mains
    • all the above.
  • 7. For centrifugal pumps

    • initial cost is low
    • limited space is required
    • the discharge obtained is steady and non-pulsating
    • all the above.
  • 8. If pH value of water is

    • 7 water it is said to be neutral
    • less than 7 it is said to be acidic
    • more than 7 it is said to be alkaline
    • all the above.
  • 9. Continuous flow of water can be expected from

    • gravity springs
    • surface springs
    • artesian springs
    • none of these.
  • 10. Gravity conduits for carrying water from the source are

    • canals
    • flumes
    • acqueducts
    • all the above.
  • 11. Rapid gravity filter can only remove turbidity of water upto

    • 15 to 25 gm/litre
    • 25 to 30 gm/litre
    • 30 to 35 cm/litre
    • 35 to 40 gm/litre
  • 12. Hardness of water is caused due to

    • calcium sulphate
    • magnesium sulphate
    • calcium nitrates
    • calcium bicarbonates
    • all the above.
  • 13. The maximum depth of sedimentation tanks is limited to

    • 2 m
    • 3 m
    • 4 m
    • 5 m
    • 6 m.
  • 14. A high velocity of wash water is required for

    • rapid gravity filter with strainers
    • rapid gravity filter without strainers
    • slow sand filter with strainers
    • slow sand filter without strainers
  • 15. Corrosion of a pipe

    • reduces its life span
    • reduces its carrying capacity
    • adds colour to water
    • all the above.
  • 16. The prescribed hardness limit of potable water ranges between

    • 50 to 75 P.P.M.
    • 75 to 115 P.P.M.
    • 150 to 200 P.P.M.
    • none of these.
  • 17. How much is 1 decade

    • 1 year
    • 10 years
    • 100 years
    • 1000 years
  • 18. Which method is used to measure the color of water?

    • Gravimetric analysis
    • Chromatography
    • Tintometer method
    • Hydrometer analysis