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 20 of 32

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Q191.
A nuisance is experienced in diluting water if dilution factor is less than

a.

100

b.

60

c.

40

d.

20

Discuss
Answer: (d).20
Q192.
Traps

a.

are water seals which prevent the entry of foul gases

b.

are used to trap the rats entering sewers

c.

dissolve the foul gases

d.

create syphonic action to increase the quick disposal of sewerage.

Discuss
Answer: (a).are water seals which prevent the entry of foul gases
Q193.
For estimating the peak run off the rational formula Q = 0.0278 KpA was evolved by

a.

Kinchling

b.

Lloyd Davis

c.

Frubling

d.

all the above.

Discuss
Answer: (d).all the above.
Q194.
Pick up the correct statement from the following :

a.

Inlets are provided on the road surface at the lowest point for draining rain water

b.

Inlets are generally provided at an interval of 30 m to 60 m along straight roads

c.

Inlets having vertical openings, are called curb inlets

d.

All the above.

Discuss
Answer: (d).All the above.
Q195.
Pick up the correct statement from the following :

a.

The boning rod is used for checking the levels of the sewer inverts

b.

Manhole covers are made circular for the convenience of the cleaning staff

c.

A manhole is classified as deep manhole if its depth is more than 1.5 m

d.

All the above.

Discuss
Answer: (d).All the above.
Q196.
In sewers the velocity of flow should not be

a.

more than the self-cleansing velocity

b.

less than the self-cleansing velocity

c.

less than 10 m/sec

d.

more than 20 m/sec.

Discuss
Answer: (b).less than the self-cleansing velocity
Q197.
If D is the diameter of a circular sewer and D' is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is

a.

D' = 0.64 D

b.

D' = 0.74 D

c.

D' = 0.84 D

d.

D' = 0.94 D.

Discuss
Answer: (c).D' = 0.84 D
Q198.
If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains

a.

Hydrogen sulphide

b.

Carbon dioxide

c.

Methane

d.

Oxygen

Discuss
Answer: (a).Hydrogen sulphide
Q199.
The design period of sewage treatment works in normally

a.

5 - 10 years

b.

15 - 20 years

c.

30 - 40 years

d.

40 - 50 years.

Discuss
Answer: (b).15 - 20 years
Q200.
The porosity of sediments in sewer pipes, is usually taken as

a.

0.010

b.

0.011

c.

0.012

d.

0.013

Discuss
Answer: (d).0.013
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