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 27 of 32

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Q261.
The pressure exerted by

a.

the sewage when running full from inside, is called internal pressure

b.

the internal pressure if any, causes tensile stress in the pipe material

c.

pressure sewers are designed to be safe in tension

d.

All the above.

Discuss
Answer: (d).All the above.
Q262.
A cylindrical ejector having its height 2 m fills after every 10 minutes with a peak sewage discharge of 0.0157 cumec. The diameter of the ejector chamber, is

a.

2.30 m

b.

2.40 m

c.

2.45 m

d.

2.50 m.

Discuss
Answer: (c).2.45 m
Q263.
The flow velocity in detritus tanks is

a.

0.05 m/sec

b.

0.09 m/sec

c.

1.25 m/sec

d.

none of these.

Discuss
Answer: (b).0.09 m/sec
Q264.
The following is the physical characteristic of sewage

a.

turbidity

b.

colour

c.

odour

d.

all the above.

Discuss
Answer: (d).all the above.
Q265.
Acid regression stage of sludge digestion at a temperature 21°C extends over a period of

a.

15 days

b.

30 days

c.

60 days

d.

90 days.

Discuss
Answer: (d).90 days.
Q266.
If the pH value of sewage is 7

a.

it is acidic

b.

it is alkaline

c.

it is neutral

d.

none of these.

Discuss
Answer: (c).it is neutral
Q267.
Pick up the correct statement from the following :

a.

Maximum daily flow = 2 times the average daily flow

b.

Maximum daily flow = 2/3 x average daily flow

c.

Sewers are designed for minimum permissible velocity at minimum flow

d.

All the above.

Discuss
Answer: (d).All the above.
Q268.
Pick up the incorrect statement from the following :

a.

The mixture of water and waste products, is called sewage

b.

The treated sewage effluents, are generally used for irrigating the crops

c.

The process of collecting, treating and disposing off the sewage, is called sewerage

d.

The old convergency system was definitely better than water carried sewerage system

Discuss
Answer: (d).The old convergency system was definitely better than water carried sewerage system
Q269.
Pick up the correct statement from the following :

a.

Hydrogen sulphide gas in excess, may cause corrosion of concrete sewers

b.

4 ppm of Dissolved Oxygen (D.O.) is ensured before discharging the treated sewage in river

c.

Solubility of oxygen in sewage is 95% of that of distilled water

d.

All the above.

Discuss
Answer: (d).All the above.
Q270.
Pick up the correct statement from the following :

a.

Small sewers are cleaned by flushing

b.

Medium sewers are cleaned by cane rodding

c.

Medium sewers may be cleaned by pills

d.

All the above.

Discuss
Answer: (d).All the above.
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