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. Most commonly used section in the grade aqueduct is

a) circular

b) rectangular

c) parabolic

d) all of the above

2 / 30

2. Following material is used during drilling to prevent caving

a) bentonite

b) thixotropy

c) both (a) and (b) above

d) none of the above

3 / 30

3. Septic tank is provided for:

a) To eliminate the sewer system

b) Tank for sedimentation cum disposal under aerobic conditions

c) Oxygen-free sedimentation cum disposal under anaerobic conditions

d) None of the above

4 / 30

4. Turbidity is measured by the

a) concentration of suspended solids collected after centrifuging

b) concentration of colloidal and suspended solids after sedimentation

c) intensity of light scattered when light is passed through

d) difference in suspended solid concentration before and after filtration

5 / 30

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

a) RCC

b) brick masonry

c) glazed stoneware

d) asbestos cement

6 / 30

6. Sanitary sewage means:

a) domestic sewage

b) industrial sewage

c) both (a) and (b) above

d) none of the above

7 / 30

7. Mass action' during sedimentation is the property of:

a) decrease in mass of sludge

b) settling of a particle along with the neighboring particle

c) quick spreading of floc

d) increase in mass of sludge

8 / 30

8. The clarigesters are:

a) circular septic tanks

b) circular imhoff double storage tanks without bottom hoppers

c) rectangular septic tanks

d) none of the above

9 / 30

9. At the socket and spigot joint,

a) the enlarged end of the pipe is called a socket

b) the normal end of the pipe is called a spigot

c) the spigot is fitted into the socket

d) all of the above

10 / 30

10. Traddle pump is operated by

a) hand

b) foot

c) electric

d) all of the above

11 / 30

11. Abyssinian tube well is a special type of

a) strainer type tube well

b) cavity type tube well

c) slotted type tube well

d) perforated type tube well

12 / 30

12. 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

13 / 30

13. Sewerage system is designed for:

a) maximum flow only

b) minimum flow only

c) average flow only

d) maximum and minimum flow

14 / 30

14. An aquiclude is

a) a non-artesian aquifer

b) a large underground water body

c) a confined bed of impervious material between aquifers

d) an artesian aquifer

15 / 30

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

a) water test

b) air test

c) compaction test

d) smoke test

16 / 30

16. Flush air inlets are sometimes called:

a) ventilated lamp holes

b) well hole

c) clean outs

d) flushing tank

17 / 30

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

a) low head

b) high head

c) medium head

d) shut off head

18 / 30

18. Salvaging is:

a) extraction of essence from waste

b) dumping of solid waste

c) sanitary land filling of solid waste

d) none of the above

19 / 30

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

a) 1 in 10

b) 1 in 100

c) 1 in 200

d) 1 in 300

20 / 30

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

a) sight rails and boning rod

b) theodolite and staff

c) leveling and staff

d) all of the above

21 / 30

21. The capacity of a flushing cistern for water closets is:

a) 1-2 liters

b) 10-15 liters

c) 5 liters

d) 20-25 liters

22 / 30

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

a) drainage

b) soak pit

c) sewer

d) none of the above

23 / 30

23. Factors considered in the selection of the site for the intake point are that it should be

a) nearer to the treatment plant

b) in the pure zone of the water source

c) upstream of the point of disposal of wastewater

d) all of the above

24 / 30

24. With the increase in the size of the water pipe, the permissible velocity (If discharge is constant)

a) decreases

b) increases

c) remains constant

d) none of the above

25 / 30

25. In the above problem 151, using Manning's formula with n = 0.014 then the hydraulic gradient will be

a) 1:200

b) 1:400

c) 1:800

d) 1:1000

26 / 30

26. The coverage of water supply in Nepal as per the census of 2011 is

a) 90%

b) 75%

c) 85%

d) 70%

27 / 30

27. The diameter of pipes in bathrooms and lavatories in domestic water supply is:

a) 10 mm

b) 12 mm

c) 16 mm

d) 20 mm

28 / 30

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

a) inverted cone of depression

b) drawdown curve

c) circle of influence

d) all of the above

29 / 30

29. Gravity conduits

a) carry water under gravity

b) follow the hydraulic gradient line

c) are carried through tunnels in deep cutting

d) all of the above

30 / 30

30. The water carriage sewage system:

a) is cheaper in initial cost than dry conveyance system

b) requires treatment before disposal

c) creates a hygienic problem

d) all of the above

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