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 19 of 31

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Q181.
Inhalation of silica dust by human being causes

a.

asphyxiation

b.

shortness of breath

c.

tuberculosis

d.

both (b) & (c)

Discuss
Answer: (d).both (b) & (c)
Q182.
Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage ?

a.

Smog & ozone

b.

Hydrogen fluoride & nitrogen oxides

c.

Sulphur dioxide & spray of weed killers

d.

Carbon monoxide

Discuss
Answer: (d).Carbon monoxide
Q183.
A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called

a.

cesspool

b.

lagoon

c.

skimming mill

d.

septic tank

Discuss
Answer: (d).septic tank
Q184.
A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it.

a.

hydrogen

b.

carbon dioxide

c.

ozone

d.

none of these

Discuss
Answer: (c).ozone
Q185.
Insufficient washing of sand grains in a rapid sand filter causes

a.

air binding

b.

shrinkage of filtering media

c.

mud balls

d.

expansion of filtering media

Discuss
Answer: (c).mud balls
Q186.
Which of the following sources is responsible for maximum air pollution ?

a.

Industrial chimney exhaust.

b.

Forest fire.

c.

Automobiles exhaust.

d.

Photochemical oxidation of organic matter.

Discuss
Answer: (c).Automobiles exhaust.
Q187.
Which of the following is the most efficient for removal of very finely divided suspended solids and colloidal matter from the polluted water stream ?

a.

Sedimentation tank

b.

Circular clarifier

c.

Mechanical flocculation

d.

Chemical coagulation

Discuss
Answer: (d).Chemical coagulation
Q188.
In sewage treatment, its sedimentation is speeded up by commonly adding

a.

hydrochloric acid.

b.

lime.

c.

copper sulphate.

d.

sodium sulphate.

Discuss
Answer: (b).lime.
Q189.
Noise level in a quiet private business office is about __________ decibels.

a.

25

b.

50

c.

70

d.

85

Discuss
Answer: (b).50
Q190.
White smoke coming out of the chimney of a furnace indicates the use of

a.

low excess air.

b.

very high excess air.

c.

gaseous fuel in the furnace.

d.

liquid fuel in the furnace.

Discuss
Answer: (b).very high excess air.
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