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 26 of 36

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Q251.
The maximum permissible chloride content in treated water of public water supplies should not exceed

a.

50 P.P.M.

b.

100 P.P.M.

c.

150 P.P.M.

d.

250 P.P.M.

Discuss
Answer: (d).250 P.P.M.
Q252.
To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is installed to lift water up to R.L. 175 m at a constant rate of 36, 00, 000 litres per hour. If the length of the pipe is 1506 m and f = 0.01, ignoring other minor losses and assuming the economical diameter from Lea's formula D = 1.2 √Q, the water horse power of the pump is

a.

400

b.

450

c.

500

d.

600

Discuss
Answer: (d).600
Q253.
The maximum permissible colour for domestic supplies based on cobalt scale, is

a.

5 ppm

b.

10 ppm

c.

15 ppm

d.

20 ppm

Discuss
Answer: (d).20 ppm
Q254.
The dilution ratio at which the odour is hardly detectable is generally called threshold odour number and for public supplies it should not exceed

a.

3

b.

5

c.

7

d.

9

Discuss
Answer: (a).3
Q255.
The joint used for joining the plain ends of cast iron pipes, is

a.

flanged joint

b.

socket and spigot joint .

c.

dresser coupling joint

d.

flexible joint

Discuss
Answer: (c).dresser coupling joint
Q256.
The bacterias which may survive with or without free oxygen, are called

a.

Aerobic bacterias

b.

Anaerobic bacterias

c.

Faculative bacteria's

d.

None of these.

Discuss
Answer: (c).Faculative bacteria's
Q257.
Detention time for plain sedimentation tank usually ranges from

a.

2 to 4 hours

b.

4 to 8 hours

c.

6 to 10 hours

d.

8 to 12 hours

Discuss
Answer: (b).4 to 8 hours
Q258.
135 litres of water per person per day, is provided in

a.

nurses homes

b.

hostels

c.

residential schools

d.

all the above.

Discuss
Answer: (d).all the above.
Q259.
If P is population of a city in thousands and Q is fire demand in litres per minute, for proper estimate of water, the Empirical formula Q = 1135(P/5 + 10) is suggested by

a.

National Board of fire under-writers

b.

Freeman

c.

Kuichling

d.

None of these.

Discuss
Answer: (b).Freeman
Q260.
The gaseous form of chlorine gets converted into liquid form when subjected to a pressure of

a.

5 kg/cm²

b.

6 kg/cm²

c.

7 kg/cm²

d.

8 kg/cm²

Discuss
Answer: (c).7 kg/cm²
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