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 32 of 36

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Q311.
The duration of contact of chlorine with water before it is served to the first consumer, should be at least

a.

10 to 15 minutes

b.

15 to 20 minutes

c.

20 to 30 minutes

d.

30 to 40 minutes

Discuss
Answer: (c).20 to 30 minutes
Q312.
The diameter of pipes in bath rooms and lavatories in domestic water supply, is

a.

6 mm

b.

12 mm

c.

18 mm

d.

24 mm.

Discuss
Answer: (b).12 mm
Q313.
Pick up the incorrect statement from the following :

a.

The water entering the slow sand filters should be treated by 9.386 coagulants

b.

The depth of water on the filter should be twice the depth of the filter sand

c.

When the filter head is 0.75 times the depth of filter sand, the water obtained is purest

d.

All the above.

Discuss
Answer: (d).All the above.
Q314.
m and n are monsoon duration factor and catchment factor respectively. If P is yearly rainfall in cm, runoff can be calculated by

a.

velocity area method

b.

weir or spillway method

c.

use of venturi-meter

d.

using power plant consumption

Discuss
Answer: (a).velocity area method
Q315.
Water may contain

a.

bicarbonate alkalinity

b.

carbonate alkalinity

c.

hydroxide alkalinity

d.

all the above.

Discuss
Answer: (d).all the above.
Q316.
Pick up the correct statement from the following :

a.

The pH value of neutral water is 7

b.

The maximum acidity is obtained when pH value is zero

c.

The maximum alkalinity is obtained when pH value is 14.

d.

All the above.

Discuss
Answer: (d).All the above.
Q317.
For controlling algae, the most commonly used chemical, is

a.

copper sulphate

b.

alum

c.

lime

d.

bleaching powder.

Discuss
Answer: (a).copper sulphate
Q318.
The head against which the motor works for lifting water, is

a.

maximum depth of water table below ground level

b.

maximum depression head

c.

velocity head

d.

all the above.

Discuss
Answer: (d).all the above.
Q319.
An ideal sand for filters should be

a.

free from dirt and other impurities

b.

uniform in nature and size

c.

hard and resistant

d.

all the above.

Discuss
Answer: (d).all the above.
Q320.
The maximum non-verticality of the bore of a well 200 m deep, may be permitted up to

a.

25 cm

b.

50 cm

c.

75 cm

d.

100 cm

Discuss
Answer: (d).100 cm
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