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. If D is the diameter of the upper circular portion, the overall depth of a standard egg-shaped section, is:

a) D

b) 1.2D

c) 1.5D

d) 2D

2 / 30

2. For an insignificant effect on the water table, the tube wells are spaced as one in every

a) 0.5 sq km

b) 1.0 sq km

c) 1.5 sq km

d) 2.0 sq km

3 / 30

3. Inverted siphon is called:

a) special sewer

b) general sewer

c) storm sewer

d) none of the above

4 / 30

4. Ovoid sewers are best suited for:

a) separate system

b) combined system with less fluctuations

c) combined system with very wide fluctuations

d) outfall sewer

5 / 30

5. The sewage consists of water:

a) 80%

b) 90%

c) 95%

d) 99.9%

6 / 30

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

a) 50

b) 100

c) 150

d) 200

7 / 30

7. Size of colloidal particles present in water is

a) 10 to 10^-1 mm

b) 10^-1 to 10^-3 mm

c) 10^-3 to 10^-6 mm

d) 10^-6 to 10^-9 mm

8 / 30

8. The aquifer having the least water-bearing capacity is

a) confined

b) unconfined

c) perched

d) none of the above

9 / 30

9. Water security plan is prepared:

a) For consumptive use

b) For long-term minimization of hazards and risks

c) For quality water storage and uses for different purposes

d) For community participation

10 / 30

10. The pipe joint commonly used in a pumping station is

a) flexible joint

b) expansion joint

c) flanged joint

d) socket and spigot joint

11 / 30

11. Booster pump is used for

a) water supply

b) sewage pumping

c) pressure increase

d) drinking purposes

12 / 30

12. Growth of the population can be conveniently represented by

a) arithmetical curve

b) geographical curve

c) logistic curve

d) straight line curve

13 / 30

13. 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

14 / 30

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

a) 1.5 m

b) 1.70 m

c) 1.9 m

d) 2.1 m

15 / 30

15. Grit chamber has a detention period of:

a) 45 sec to 90 sec

b) 2 min to 5 min

c) 20 min to 30 min

d) 2 hours to 4 hours

16 / 30

16. HGL should always be...... above the GL

a) 5 m

b) 10 m

c) 15 m

d) 20 m

17 / 30

17. Scour valves are provided

a) at every summit of rising mains

b) at very depression and dead ends to drain out the waste water that may collect there

c) at street corners to control the flow of water

d) all of the above

18 / 30

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

a) cast iron sewer

b) glazed brick sewer

c) cement concrete

d) stone ware sewer

19 / 30

19. The quantity of flushing water required for pour-flush water seal latrine is:

a) 0.5-1.5 litres

b) 1.5-2.0 litres

c) 2.0-3.0 litres

d) 3.0-4.0 litres

20 / 30

20. Asbestos pipes are joined by means of

a) flanged joint

b) flexible joint

c) simplex joint

d) dresser coupling joint

21 / 30

21. Methemoglobinemia (Blue babies) is due to

a) oxidation of hemoglobin

b) nitrates replacing oxygen in hemoglobin

c) nitrites replacing oxygen in hemoglobin

d) carbon monoxide replacing oxygen in hemoglobin

22 / 30

22. Iron and manganese are estimated by

a) jar test

b) winkler test

c) calorimetric test

d) none of the above

23 / 30

23. Manhole is said to be shallow if its depth is less than:

a) 0.7-0.9 m

b) 1.0-1.2 m

c) 0.8 m

d) 0.7 m

24 / 30

24. Poppet valve is a type of

a) air valve

b) blow-off valve

c) sluice valve

d) none of the above

25 / 30

25. Turbidity of water is measured in

a) mg/1

b) Nephelometric Turbidity Unit (NTU)

c) potassium chloroplatinate units

d) threshold number

26 / 30

26. As per Buston's formula, fire demand for in liters per minute for a population of p in thousands, is given by

a) 5663 √p

b) 3182 √p

c) 4640 √p

d) none of the above

27 / 30

27. The service pipes must be designed to carry

a) 3 times the average demand

b) 4 times the average demand

c) 1 times the average demand

d) 2 times the average demand

28 / 30

28. The most commonly used coagulant is:

a) Alum

b) Lime

c) Chlorine

d) Bleaching powder

29 / 30

29. What will be the daily per capita water demand for a city of 0.2 million people whose total water requirement per annum is 19,710,000 cubic meters?

a) 250 liters

b) 280 liters

c) 270 liters

d) 260 liters

30 / 30

30. "Puits developee" is generally provided in case of

a) well

b) tube well

c) reservoir

d) none 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