Civil Engineering – Water Supply Engineering Mock test – 2




Welcome to your Water Supply Engineering Mock test - 2
Take an exciting test in Water supply Engineering
You have only 20 mins to complete the test (27 Questions)
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1. Disinfection of water with ozone is not good because
2. Increase in population of a rapidly growing city, may be estimated by
3. An area is declared drought affected if its mean rainfall is less than
4. A water channel supported above the ground over trestles, is generally called
5. Normal values of overflow rate for plain sedimentation tank, is
6. E. Coli bacterias die in water having pH greater than
7. The period of cleaning of a slow sand filter, is usually
8. The best quality of filter material is obtained from quartzite if it does not loose weight when placed in hydro-chloric acid for 24 hours, more than
9. Mathamoglobinemia, or blue baby disease is caused due to
10. The force which develops in a pressure conduit supported on trestles, is
11. Rapid gravity filter can only remove turbidity of water upto
12. Hard water for public water supply is discarded because
13. The standard B.O.D. at 20&Deg;C, is taken for the consumption in
14. Continuous flow of water can be expected from
15. Surface water is obtained from
16. Mostly used coagulant, is
17. The maximum hourly consumption, is generally taken as
18. Percussion drilling is unsuitable in
19. If discharge of a pump is 0.16 cumecs, the economic diameter of pipe, is
20. A pressure conduit laid under ground, may not be subjected to
21. One degree of hardness of water means a content of salts of
22. Flow through period, in sedimentation tanks, is
23. After cleaning a slow sand filter, the filtered water is not used for
24. While determining the yield of open wells by the pumping test
25. During treatment of water, sedimentation is done
26. An earth formation which, although porous and capable of absoring water does not provide an appreciable supply to wells, is known as
27. The best process of disinfection of public water supply, is by







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