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 12 of 32

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Q111.
The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is

a.

30 minutes

b.

1 hour

c.

1 hour and 30 minutes

d.

2 hours

Discuss
Answer: (d).2 hours
Q112.
The drop man holes are generally provided in sewers for

a.

industrial areas

b.

large town ships

c.

hilly town ships

d.

cities in plains.

Discuss
Answer: (c).hilly town ships
Q113.
For large sewers, maximum distance between manholes may be

a.

50 m

b.

100 m

c.

200 m

d.

300 m

Discuss
Answer: (d).300 m
Q114.
The first stage of neutral process of sludge digestion, is

a.

acid fermentation

b.

acid regression

c.

alkaline fermentation

d.

none of these.

Discuss
Answer: (a).acid fermentation
Q115.
Lead acetate test in sewer manhole is done to test the presence of

a.

Methane gas

b.

Hydrogen sulphide

c.

Carbondioxide gas

d.

Diesel vapours.

Discuss
Answer: (b).Hydrogen sulphide
Q116.
Dried sewage after treatment is used as

a.

fertilizer

b.

building material

c.

chemical for lowering B.O.D.

d.

base material for paints.

Discuss
Answer: (a).fertilizer
Q117.
The use of coarse screens for the disposal of sewage, may be dispensed with by

a.

comminutor

b.

shredder

c.

both (a) and (b)

d.

neither (a) nor (b).

Discuss
Answer: (c).both (a) and (b)
Q118.
Lead caulked joints are used for laying

a.

stone ware pipes

b.

earthern ware pipes

c.

C.I. pipes

d.

G.I. pipes.

Discuss
Answer: (b).earthern ware pipes
Q119.
Pick up the correct statement from the following :

a.

The water supply pipes carry pure water free from solid particles

b.

The water supply pipes get clogged if flow velocity is less than self cleansing velocity

c.

The sewers may be carried up and down the hills and valleys

d.

The sewer pipes are generally laid along level hills

Discuss
Answer: (a).The water supply pipes carry pure water free from solid particles
Q120.
For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed

a.

1.5

b.

2.0

c.

2.5

d.

3.0

Discuss
Answer: (a).1.5
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