Water Supply & Sanitation Engineering Online Test – Paper 2

Created by

Vikash 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: 30
Time Allotted: 30 minutes
Passing Score: 50%
Randomization: Yes
Certificate: No
Do not refresh the page!
👍 All the best!

1 / 30

1. Water of zero hardness is obtained by

a) boiling

b) lime-soda process

c) base exchange process

d) none of the above

2 / 30

2. Aqueducts are generally not designed in

a) circular section

b) rectangular section

c) horse-shoe section

d) vee section

3 / 30

3. The water supply demand in a day school without a boarder should be

a) 10 lpcd

b) 20 lpcd

c) 30 lpcd

d) 40 lpcd

4 / 30

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

a) reflux valve

b) gate valve

c) sluice valve

d) pressure valve

5 / 30

5. Selection of material for the pipe depends on

a) carrying capacity of the pipe

b) durability and life of the pipe

c) effect of water to be conveyed on the pipe material

d) all of the above

6 / 30

6. A lamp hole is helpful in:

a) illuminating sewer line

b) cleaning sewer line

c) repairing

d) testing sewers

7 / 30

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

a) Tee

b) Union

c) Elbow

d) Socket

8 / 30

8. The capacity of Guheswari STP is:

a) 15.4 Mld

b) 1.1 Mld

c) 0.50 Mld

d) 12.1 Mld

9 / 30

9. The SODIS method of water purification is a process of:

a) Chlorination

b) Solar disinfection

c) System of disinfected integral supply

d) Supply of disinfected and improved water system

10 / 30

10. As compared to cast iron pipes, steel pipes are

a) stronger

b) heavier

c) costlier

d) all of the above

11 / 30

11. Gastrointestinal irritation is produced because of excess of the following in water

a) chlorides

b) sulphates

c) nitrates

d) phosphates

12 / 30

12. The valve provided at low points of the pipe to drain off water quickly under gravity is

a) drain valve

b) blow-off valve

c) sewer valve

d) all of the above

13 / 30

13. Booster pump is used for

a) water supply

b) sewage pumping

c) pressure increase

d) drinking purposes

14 / 30

14. Which type of distribution system will you follow if the reduced level of the source of water is 100 m while the reduced level of the town is 50 m?

a) gravity system

b) pumping system

c) dual system

d) none of the above

15 / 30

15. As compared to shallow tube wells, deep wells have

a) more depth

b) less depth

c) more discharge

d) less discharge

16 / 30

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

a) plastic

b) HDP

c) GI

d) PVC

17 / 30

17. After incubating a 2.5% solution of a sewage sample for 5 days at 20°C, the depletion of oxygen was found to be 5 PPM. The BOD of the sewage will be recorded as:

a) 5 PPM

b) 50 PPM

c) 100 PPM

d) 200 PPM

18 / 30

18. Steel pipes are

a) generally laid underground and no expansion joint is required

b) connected by riveted or welded joints

c) suitable for withstanding high internal pressure

d) all of the above

19 / 30

19. Aeration of water is done by

a) spray nozzles

b) cascading

c) trickling bed

d) all of the above

20 / 30

20. The types of formwork provided for ferrocement tank in rural water supply schemes are

a) steel

b) wood

c) HDP pipe

d) all of the above

21 / 30

21. R.M.O. means

a) running

b) maintenance

c) operation

d) all of the above

22 / 30

22. The main function of a manhole is:

a) cleaning of sewer

b) inspection of sewer

c) joining different types of sewer

d) joining different grade of sewer

23 / 30

23. Turbidity of water sample depends on

a) concentration and density of suspended and colloidal solids

b) concentration of suspended, colloidal, and dissolved solids

c) concentration of organic and inorganic matter

d) concentration, size, shape, and refractive index of suspended solids

24 / 30

24. A source of colour in water is due to

a) silt

b) clay

c) organic debris

d) inorganic inert matter

25 / 30

25. Minimum depth of infiltration gallery is

a) 2 m

b) 3 m

c) 4 m

d) 5 m

26 / 30

26. Computation of discharges is difficult for:

a) dead-end system

b) grid iron system

c) ring system

d) radial system

27 / 30

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

a) zone pattern

b) fan pattern

c) radial pattern

d) perpendicular pattern

28 / 30

28. The asbestos cement pipes are generally laid

a) horizontally

b) vertically

c) in any position

d) inclined at 60°

29 / 30

29. Which of the following impurities in water is removed by the sedimentation process?

a) total dissolved solids

b) bacteria

c) iron and manganese

d) suspended solids

30 / 30

30. In the partially ventilated single-stack system of plumbing, the number of vertical pipes is:

a) 1

b) 2

c) 3

d) 4

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

NameEmailPhone Number

Your score is

Please provide your feedback.

Thank you for your valuable feedback.

Buy Water Supply & Sanitation Engineering MCQ PDF for Offline Study

0 Comments

Inline Feedbacks

View all comments

Water Supply & Sanitation Engineering Online Test – Paper 2

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

Related MCQs