Waste water Engineering Mock test – 3 || Civil Engineering Mock tests



Welcome to your Waste Water Engineering Mock test - 3
Take an exciting test in Waste water Engineering
You have only 20 mins to complete the test (25 Questions)
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1. The spacing of bars of perforations of fine screens used for the treatment of sewage, is
2. If the peak discharge of a storm water drain (S.W. Drain) is e.xpected to exceed 150 cumecs, the free board to be provided, is
3. Depletion of ozone layer in the outer atmosphere may cause
4. Pick up the correct statement from the following :
5. The pH value of sewage is determined with the help of
6. Ventilating shafts are provided to a sewer line at every
7. The algae dies out in the zone of
8. The ratio of the diameter of a circular section and the side of a square section hydraulically equivalent, is
9. Sluge banks are formed if sewage is disposed of in
10. Hydraulic mean radius is
11. PH value of sludge during alkaline regression stage, is
12. The maximum diameter of sewers adopted in the designs is
13. The sewer pipe which carries sewage from a building for immediate disposal is
14. PH value of sludge during alkaline regression stage, is
15. The recommended detention period for grit chambers is
16. For trunk and out-fall, the type of sewers generally used, is
17. Which one of the following part of human body withstands minimum radiation
18. The sludge does not contain waste water from
19. The pH value of fresh sewage is usually
20. Primary treatment of sewage consists of removal of
21. For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed
22. The moisture content of a sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is
23. The self-cleansing velocity of water flowing through pipe lines, is
24. Inter-distance between ventilation columns in a sewer line is kept
25. Pick up the correct statement from the following :
26. Lead caulked joints are used for laying






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