Water Supply & Sanitation Engineering Online Test – Paper 2

1. Sewer preferred for a combined system of sewage is:

2. Kidney damage may be caused due to excess concentration of

3. The interference of the well depends upon

4. In water analysis, the test carried out is

5. Which device warns that the liquid is above the pump level?

6. In distribution pipes, drain valves are provided at

7. The suitable system of sanitation for an area having rainfall for only one season is:

8. The approximate diameter of a water mains for supplying 7.15 mld with 1.21 m/sec velocity flow will be

9. The curve showing the level of water in a well and the original water table is known as

10. Turbidity is measured on..........

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

12. The design discharge for the separate sewer system is taken equal to:

13. Iron and manganese are estimated by

14. The most commonly used coagulant is:

15. Iron in water causes

16. Which one is a waterborne disease?

17. The specific gravity of sewage is:

18. The detention time in a septic tank is usually:

19. The per capita consumption of a locality will be more when

20. Harmful bacteria are called:

21. When the limiting non-scouring velocity is 5 m/sec, the type of sewer generally used is:

22. The location of a well is considered good if it is sunk into

23. Most common sources of water in hill and terai in our country are...respectively.

24. Incrustation of well pipes can be reduced by:

25. If the diameter of a sewer is 150 mm, the gradient required for generating a self-cleaning velocity is:

26. Turbidity is measured by the

27. The commonly used material for water supply pipes having the property of not easily corroded, strong, long life but heavy and brittle is

28. In a circular sewer if depth of flow is 0.2 times the full depth, the nominal gradient:

29. A goose neck is:

30. Anti-siphonage pipe is connected to: