Water Supply & Sanitation Engineering Online Test - Paper 2
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Water Supply & Sanitation Engineering Online Test – Paper 2

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Created by 83a36dcfd5c4caff12bc80f0020c9c749e12cbbbdb7c406dc1dd39996cb85836?s=32&d=monsterid&r=g gkaimVikash chaudhary

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  • Total Questions: 30
  • Time Allotted: 30 minutes
  • Passing Score: 50%
  • Randomization: Yes
  • Certificate: No
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1. Physical characteristics of sewage include:

2 / 30

2. The design discharge for the combined system shall be taken equal to:

3 / 30

3. The common pipe used in house plumbing is:

4 / 30

4. The amount of BOD in domestic water should be

5 / 30

5. If 10 ml of raw sewage is diluted to 250 ml, the dilution factor is:

6 / 30

6. Detention time for the detritus tank is:

7 / 30

7. Dug wells or open wells

8 / 30

8. R.M.O. means

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9. Corrosion of well pipes can be reduced by:

10 / 30

10. According to the guidelines of DWSS, the maximum number of users in each stand post should be:

11 / 30

11. The average discharge of a tube-well is about

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12. A tube well of 38cm diameter has depths before and after pumping at 10.7 m and 4.60, respectively. The coefficient of permeability is 2273 liters per day. If the radius of the circle of influence is 304.8m. The yield from the tube well will be

13 / 30

13. The types of diseases caused due to the lack of water are known as

14 / 30

14. True colour of water is due to

15 / 30

15. The valve which allows water to flow in one direction but prevents its flow in the reverse direction is

16 / 30

16. Infiltration gallery is a

17 / 30

17. The per capita consumption of a locality is affected by

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18. The slope of the hydraulic grade line is always towards the well due to pumping. This line of depressed water table is called

19 / 30

19. Asbestos pipes are

20 / 30

20. Which traps have perpendicular legs?

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21. The pressure at the inlet and outlet in a break pressure tank is

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22. If 10 ml of raw sewage is diluted to 250 ml, and the dissolved oxygen content of the diluted sample changes from 9 mg/l to 5 mg/l after incubation at 20°C. for 5 days, BODs of raw sewage is:

23 / 30

23. Inverted siphon is made of:

24 / 30

24. A structure constructed to remove obstacles in the sewer is known as:

25 / 30

25. Mass action' during sedimentation is the property of:

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26. "A right-angled sleeve (valve) connected in the water main through which water is tapped for domestic supply is called:

27 / 30

27. Depth of shallow tube well shall not be more than (considering economic point):

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28. Booster pump is used for

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29. Lead in water causes

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30. If the head of water is more than 100 m then the type of pipe used is

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