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 15 of 31

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Q141.
Pick out the wrong statement

a.

Low ozone layer thickness in polar regions is due to cold climatic conditions

b.

Amount of unburnt hydrocarbons emitted by two stroke petrol engine is more as compared to that emitted by a four stroke engine.

c.

Carbon monoxide present in the two stroke petrol engine exhaust is much less as compared to that emitted from a four stroke engine.

d.

Mercury as a pollutant can enter the blood stream & the digestive system/ lungs and is responsible for causing minamate disease.

Discuss
Answer: (c).Carbon monoxide present in the two stroke petrol engine exhaust is much less as compared to that emitted from a four stroke engine.
Q142.
Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by

a.

quenching of hot coke.

b.

discharging in the river stream.

c.

filtration and recycling for cooling coke oven gas.

d.

none of these.

Discuss
Answer: (a).quenching of hot coke.
Q143.
5-200 ฮผm size particles are called

a.

colloids or aerosols

b.

powder

c.

dust

d.

smoke

Discuss
Answer: (a).colloids or aerosols
Q144.
The progressive warming up of the earth's surface is mainly due to the

a.

automobile exhaust.

b.

blanketing effect of COโ‚‚ in the atmosphere.

c.

de-forestation.

d.

thickening of ozone layer.

Discuss
Answer: (b).blanketing effect of COโ‚‚ in the atmosphere.
Q145.
Higher concentration of nitrogen dioxide in atmospheric air causes

a.

cancer

b.

bronchitis

c.

asphyxiation

d.

corrosion

Discuss
Answer: (b).bronchitis
Q146.
Ozone is

a.

a primary pollutant.

b.

a secondary pollutant.

c.

impervious to ultra-violet rays.

d.

both (b) and (c)

Discuss
Answer: (d).both (b) and (c)
Q147.
The permissible color for domestic water supply is __________ ppm.

a.

1

b.

20

c.

100

d.

1000

Discuss
Answer: (b).20
Q148.
High noise levels produced during operation of fans and compressors can be reduced by using

a.

mufflers (silencers).

b.

accoustical absorbent.

c.

lagging of noisy duct.

d.

none of these.

Discuss
Answer: (a).mufflers (silencers).
Q149.
The Killer gas which caused Bhopal gas tragedy in 1984 was

a.

phosgene

b.

methyl iso-cynate (MIC)

c.

carbon monoxide

d.

sulphur dioxide

Discuss
Answer: (b).methyl iso-cynate (MIC)
Q150.
In the context of the chemical process industries, the term BOD is normally associated with the

a.

characterisation of solid wastes.

b.

organic concentration in gaseous effluents.

c.

characterisation of liquid effluents.

d.

characterisation of boiler feed water.

Discuss
Answer: (c).characterisation of liquid effluents.
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