Water Supply & Sanitation Engineering Online Test – Paper 2

1. A structure constructed where self-cleaning velocity is not developed to prevent choking is called:

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

3. The most dangerous metal for human health is

4. In water analysis, the test carried out is

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

6. The open channels supported above the ground over trestles are called

7. Hydrants are used for tapping water from mains for:

8. The bacteria which can survive with or without oxygen is known as...

9. The ratio of maximum hourly consumption and average hourly consumption of the maximum day is

10. Abyssinian tube well is a special type of

11. The minimum diameter of a sewer pipe should be:

12. Where it is not possible to obtain self-cleansing velocities for sewers, flush are provided with the minimum available head of:

13. The water supply demand in a fully plumbed system in Nepal context

14. Advantage of pressure conduits is

15. From the septic tank, the effluents are discharged into:

16. The distribution mains in a water supply system are designed for

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

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

19. The maximum pressure which the pipe can withstand without any leakage during the hydrostatic pressure test is called

20. Which traps have perpendicular legs?

21. It is practical to design sewer for the self-cleaning velocity at:

22. Turbidity of water sample depends on

23. Which traps have curved legs?

24. Time of concentration depends upon:

25. Grade aqueducts are not allowed to run

26. Following material is used during drilling to prevent caving

27. Computation of discharges is difficult for:

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

29. Sewer has to bear:

30. An aquiclude is