Water Supply & Sanitation Engineering Online Test – Paper 2

1. Which traps have perpendicular legs?

2. The pump does not require any power, energy, fuel, etc., for its working is

3. R.M.O. means

4. If you have to design a simple water filtration unit for a community water supply system in Biratnagar, which type of filter will you choose in general?

5. During the water test of sewer, 2 lit/cm of dia/km of sewer line may be allowed for a period of:

6. Drop manholes are provided on sewers in:

7. Sewer has to bear:

8. Septic tanks are best suited for:

9. Laying of a sewer is generally done with the help of:

10. The pattern of sanitation most suitable for a sloppy area is:

11. In the one-pipe system of plumbing, the number of vertical pipes is:

12. True colour of water is due to

13. The water supply pipeline should be tested at a specified pressure for

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

15. Dug wells or open wells

16. The minimum size of a fire hydrant is:

17. Break pressure tank in a water supply system is incorporated to:

18. In the single-stack system of plumbing, the number of vertical pipes is:

19. Abyssinian tube well is a special type of

20. GI pipe coming from both sides is joined with a fitting called:

21. The specific gravity of sewage is:

22. Most suitable section, when the maximum and minimum flow ratio is not much, is:

23. A G.I. pipe has a coating of

24. Velocity of flow through a grit chamber is:

25. Minimum depth of infiltration gallery is

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

27. The valve provided on the suction pipe in a tube-well is

28. The depression of the water table in a well due to pumping will be maximum

29. Traddle pump is operated by

30. The self-cleaning velocity normally adopted for a sewer is: