Water Supply Engineering MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Water Supply Engineering, a fundamental topic in the field of Civil Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Water Supply Engineering MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Water Supply Engineering mcq questions that explore various aspects of Water Supply Engineering problems. Each MCQ is crafted to challenge your understanding of Water Supply Engineering principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Civil Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Water Supply Engineering MCQs are your pathway to success in mastering this essential Civil Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Water Supply Engineering. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Water Supply Engineering knowledge to the test? Let's get started with our carefully curated MCQs!

Water Supply Engineering MCQs | Page 22 of 36

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Q211.
Alum is a

a.

coagulant

b.

flocculant

c.

catalyst

d.

disinfectant.

Discuss
Answer: (a).coagulant
Q212.
In a reservoir the average volume of sediment deposition is 0.15 million cubic per year. If the dead storage and total capacity of the reservoir are 8 million cubic metres and 36 million cubic metres respectively,

a.

the reservoir will theoretically be silted in 240 years

b.

the reservoir will start reducing after 60 years

c.

both (a) and (b)

d.

neither (a) nor (b).

Discuss
Answer: (c).both (a) and (b)
Q213.
The requirement of water per capita per day, is

a.

90 litres

b.

150 litres

c.

250 litres

d.

400 litres.

Discuss
Answer: (a).90 litres
Q214.
Water losses in water supply, is assumed as

a.

5%

b.

7.5%

c.

10%

d.

15%.

Discuss
Answer: (d).15%.
Q215.
The pH value of water is kept slightly less than 7 so that hydrochloride ions may combine with ammonia ions to form

a.

Mono-chloramine (NHCl)

b.

Di-chloramine (NH₂Cl)

c.

Nitrogen trichloramine (NCl₃)

d.

All the above.

Discuss
Answer: (d).All the above.
Q216.
'Shrouding' is essentially provided in

a.

strainer type wells

b.

cavity type wells

c.

slotted type well

d.

all the above.

Discuss
Answer: (c).slotted type well
Q217.
The ensure proper growth of children's teeth, the quantity of flouride used in water mains, is

a.

1 mg/litre

b.

2 mg/litre

c.

3 mg/litre

d.

4 mg/litre

Discuss
Answer: (a).1 mg/litre
Q218.
Chemical coagulation of drinking water, is done

a.

to settle suspended materials

b.

to increase rate of settlement of suspended materials

c.

to remove the bacterias

d.

none of these.

Discuss
Answer: (b).to increase rate of settlement of suspended materials
Q219.
The U.C. (uniformity coefficient) D₆₀/D₁₀ for the best filter media sand should be

a.

2

b.

3

c.

4

d.

5

Discuss
Answer: (a).2
Q220.
Pick up the correct statement from the following :

a.

Deposition of calcium carbonate on the inside of the well pipe, causes incrustation of the pipe

b.

Incrustation of the pipe reduces the discharge

c.

Acidic waters cause corrosion of the pipes

d.

All the above.

Discuss
Answer: (d).All the above.
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