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

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