Chemical Engineering and Environment MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Chemical Engineering and Environment, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Chemical Engineering and Environment 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 Chemical Engineering and Environment mcq questions that explore various aspects of Chemical Engineering and Environment problems. Each MCQ is crafted to challenge your understanding of Chemical Engineering and Environment principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Chemical Engineering and Environment MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Chemical Engineering and Environment. 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 Chemical Engineering and Environment knowledge to the test? Let's get started with our carefully curated MCQs!

Chemical Engineering and Environment MCQs | Page 22 of 31

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Q211.
Maximum permissible residual chlorine in treated water should be __________ mg/litre.

a.

0.001 to 0.01

b.

02 to 0.3

c.

2 to 3

d.

5 to 10

Discuss
Answer: (b).02 to 0.3
Q212.
Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur ?

a.

Thermosphere

b.

Troposphere

c.

Stratosphere

d.

none of these

Discuss
Answer: (b).Troposphere
Q213.
Which is the most widely used coagulant for the treatment of turbid water ?

a.

Alum (aluminium sulphate)

b.

Lime

c.

Ferric chloride

d.

Sodium aluminate

Discuss
Answer: (a).Alum (aluminium sulphate)
Q214.
Which of the following is not a natural source of air pollution ?

a.

Volcanic eruptions and lightening discharges.

b.

Biological decay of vegetable matter.

c.

Photochemical oxidation of organic matter.

d.

None of these.

Discuss
Answer: (d).None of these.
Q215.
Which of the following industries discharge mercury as a pollutant ?

a.

Chloro-alkali industry

b.

Tanneries

c.

Beverage plant

d.

Phosphoric acid plant

Discuss
Answer: (a).Chloro-alkali industry
Q216.
Threshold limit value (TLV) of CO in air is __________ ppm.

a.

5

b.

50

c.

2000

d.

5000

Discuss
Answer: (b).50
Q217.
Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes

a.

paralysis of muscles & loss of appetite.

b.

nervous depression.

c.

gastritis & diarrhea.

d.

all (a), (b) and (c).

Discuss
Answer: (d).all (a), (b) and (c).
Q218.
Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by

a.

chemical coagulation

b.

floatation & skimming

c.

centrifugation

d.

ultrafiltration

Discuss
Answer: (a).chemical coagulation
Q219.
In large thermal power stations very fine particulates present in flue gas are removed by

a.

wet scrubber

b.

bag filter

c.

electrostatic precipitators

d.

dust catcher

Discuss
Answer: (c).electrostatic precipitators
Q220.
Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm.

a.

<1

b.

10-100

c.

100-200

d.

100-1000

Discuss
Answer: (a).<1
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