Water Supply & Sanitation Engineering Online Test - Paper 3
GK Aim: A Treasure of MCQs

Water Supply & Sanitation Engineering Online Test – Paper 3

0%
Created by 83a36dcfd5c4caff12bc80f0020c9c749e12cbbbdb7c406dc1dd39996cb85836?s=32&d=monsterid&r=g gkaimVikash chaudhary

This is a FREE online test. Beware of scammers who ask for money to attend this test.

Get fresh, new questions in each attempt.

  • Total Questions: 50
  • Time Allotted: 50 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
  • Do not refresh the page!
  • 👍 All the best!

1 / 50

1. The most dangerous metal for human health is

2 / 50

2. Sterilization is the process of

3 / 50

3. The head developed in a centrifugal pump, at zero discharge is known as

4 / 50

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

5 / 50

5. Water demand for public use as compared to the total demand, kept in the design of waterworks for a city, is

6 / 50

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

7 / 50

7. Water of zero hardness is obtained by

8 / 50

8. The amount of BOD in domestic water should be

9 / 50

9. Gravity conduits are generally in the form of

10 / 50

10. Anti-siphonage pipe is connected to:

11 / 50

11. The main pipes must be designed to carry

12 / 50

12. 2 ml of sewage, having BOD-500 mg/l, is diluted to 200 ml, and incubated for 5 days at 20°C. If the D.O. content after 5 days is found to be 5 mg/l, what was the initial D.O. content of the diluted sample?

13 / 50

13. A circular section of sewer has the advantage of:

14 / 50

14. Which test is a must for a house sewer?

15 / 50

15. Break pressure tank is generally provided in rural water supply schemes if static head exceeds

16 / 50

16. The type of joint used in HDP pipe is

17 / 50

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

18 / 50

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

19 / 50

19. By boiling water, hardness can be removed if it is due to:

20 / 50

20. If the diameter of the main pipe is taken less than the economical diameter, then

21 / 50

21. A manhole of such depth that an access shaft is required in addition to the working chamber, is called.....:

22 / 50

22. Water to the consumers may be supplied from

23 / 50

23. The velocity of water in water mains of 40 cm diameter is usually kept

24 / 50

24. Inspection arm is provided in:

25 / 50

25. Digesters are used for:

26 / 50

26. Merit of water carriage sewage system:

27 / 50

27. The types of pump suitable for water as well as sewage

28 / 50

28. The last trap provided in a house drainage system is:

29 / 50

29. The layout of the distribution system that is suitable for haphazardly growing cities is:

30 / 50

30. Thrash rack/roughing filter is provided at the entrance of

31 / 50

31. Groundwater is generally free from

32 / 50

32. Which is the oldest waterworks in Nepal?

33 / 50

33. For areas of distributed rainfall throughout the year with less intensity, the suitable system of sanitation is:

34 / 50

34. Self-purification of natural streams is caused due to

35 / 50

35. Any trap is intended to trap foul gases with the provision of:

36 / 50

36. The main function of a manhole is:

37 / 50

37. Pressure relief valve is provided to prevent

38 / 50

38. The best sewer material to resist hydrogen sulfide corrosion is:

39 / 50

39. Absolutely soft waters are required for

40 / 50

40. Turbidity is measured on..........

41 / 50

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

42 / 50

42. The inlet and outlet pipes of the septic tank are bent:

43 / 50

43. An aquiclude is

44 / 50

44. To determine the velocity of the flow of underground water, the most commonly used non-empirical formula is....formula:

45 / 50

45. Dug wells or open wells

46 / 50

46. Find the BOD with the following data: initial oxygen = 9 PPM, final oxygen = 4 PPM sewage sample 200 ml and diluted sewage = 4 ppm.

47 / 50

47. Manhole is said to be deep if its depth is more than:

48 / 50

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

49 / 50

49. Imhoff tank is a:

50 / 50

50. The highest non-scouring velocity in a sewer may be allowed in:

Please provide accurate information so we can send your Achievement Certificate by mail.

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.

Subscribe
Notify of
guest
0 Comments
Inline Feedbacks
View all comments
Scroll to Top