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 32 of 32

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Q311.
The normal values of over flow rates for sedimentation tanks using coagulent, ranges between

a.

25, 000 to 35, 000 litres/sqm/day

b.

40, 000 to 50, 000 litres/sqm/day

c.

50, 000 to 60, 000 litres/sqm/day

d.

80, 000 to 100, 000 litres/sqm/day

Discuss
Answer: (c).50, 000 to 60, 000 litres/sqm/day
Q312.
Pick up the incorrect statement from the following for allowing workers to enter sewers

a.

The particular manhole and one manhole on up stream and one manhole on down stream should remain open for 30 minutes

b.

Proper tests for the presence of poisonous gases must be carried out

c.

The men entering the manhole should be advised to smoke in the sewer

d.

Warning signals should be erected

Discuss
Answer: (c).The men entering the manhole should be advised to smoke in the sewer
Q313.
In a grit chamber of a sewage treatment plant,

a.

flow velocity 0.15 m to 0.3 m/sec is kept

b.

depth of 0.9 m to 1.20 m is kept

c.

one minute of detention period is kept

d.

all the above.

Discuss
Answer: (d).all the above.
Q314.
The rate of accumulation of sludge per person per year, is

a.

10 litres

b.

15 litres

c.

20 litres

d.

25 litres

Discuss
Answer: (c).20 litres
Q315.
The disintegrating pump in which solid matter is broken up before passing out, is

a.

centrifugal pump

b.

reciprocating pump

c.

pneumatic ejector

d.

none of these.

Discuss
Answer: (a).centrifugal pump
Q316.
In areas where light rains are uniformly distributed throughout the year, the type of sewerage system to be adopted is

a.

separate system

b.

combined system

c.

partially combined system

d.

none of these.

Discuss
Answer: (b).combined system
Q317.
For detecting the nitrates in sewage, the colour may be developed by adding

a.

Pottassium permanganate

b.

Sulphuric acid and napthamine

c.

Phenol-di-sulphuric acid and pottassium hydroxide

d.

None of these.

Discuss
Answer: (c).Phenol-di-sulphuric acid and pottassium hydroxide
Q318.
The formula which accepts the value of rugosity coefficient n = 0.012 to be used in Manning's formula, is given by

a.

Bazin

b.

Crimp and Bruge

c.

William-Hazen

d.

Kutter.

Discuss
Answer: (b).Crimp and Bruge
Q319.
For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of

a.

100 cm

b.

120 cm

c.

140 cm

d.

160 cm

Discuss
Answer: (d).160 cm
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