Waste Water Engineering MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Waste Water 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 Waste Water 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 Waste Water Engineering mcq questions that explore various aspects of Waste Water Engineering problems. Each MCQ is crafted to challenge your understanding of Waste Water 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 Waste Water 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 Waste Water 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 Waste Water Engineering knowledge to the test? Let's get started with our carefully curated MCQs!

Waste Water Engineering MCQs | Page 22 of 32

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Q211.
The suitable cross-section of sewers to carry combined flow, is

a.

circular

b.

egg shaped

c.

rectangular

d.

horse shoe shaped.

Discuss
Answer: (b).egg shaped
Q212.
If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity, is

a.

1 in 60

b.

1 in 100

c.

1 in 120

d.

none of these.

Discuss
Answer: (a).1 in 60
Q213.
In 1000 kg of sewage, the total solids approximate

a.

0.5 to 1.0 kg

b.

1 kg to 2.0 kg

c.

5 kg to 7.5 kg

d.

7.5 kg to 10 kg.

Discuss
Answer: (a).0.5 to 1.0 kg
Q214.
Pathogens (or pathogentic bacterias) in water may cause

a.

typhoid

b.

cholera

c.

dysentery

d.

all the above.

Discuss
Answer: (d).all the above.
Q215.
Sewer manholes are generally provided at

a.

the change of gradient

b.

the change of direction

c.

the junctions of sewers

d.

all of these.

Discuss
Answer: (d).all of these.
Q216.
The sewers

a.

must be of adequate size to avoid over flow

b.

must flow under gravity 1/2 to full 3/4

c.

must be laid at least 2 to 3 m deep to collect /water from the basements

d.

all the above.

Discuss
Answer: (d).all the above.
Q217.
Before discharging the foul sewage into rivers, it is generally treated by

a.

screening

b.

sedimentation

c.

oxidation

d.

all the above.

Discuss
Answer: (d).all the above.
Q218.
The settlement of a particle in sedimentation tank, is affected by

a.

velocity of flow

b.

viscosity of water

c.

size and shape of solid

d.

all the above.

Discuss
Answer: (d).all the above.
Q219.
If the length of overland flow from the critical point to the mouth of drain is 13.58 km and difference in level between the critical point and drain mouth is 10 m, the inlet time is

a.

2 hours

b.

4 hours

c.

6 hours

d.

8 hours.

Discuss
Answer: (d).8 hours.
Q220.
Oxidation process results in the formation of

a.

carbon dioxide

b.

nitrates

c.

sulphates

d.

all the above.

Discuss
Answer: (d).all the above.
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