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 16 of 31

Discover more Topics under Basic Chemical Engineering

Q151.
Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels.

a.

85

b.

105

c.

125

d.

145

Discuss
Answer: (b).105
Q152.
Inhalation of silica dust causes a disease called

a.

bronchitis

b.

silicosis

c.

pneumoconiosis

d.

none of these

Discuss
Answer: (b).silicosis
Q153.
Solid content in most of the domestic sewage is about __________ percent.

a.

0.001

b.

0.1

c.

5

d.

10

Discuss
Answer: (b).0.1
Q154.
In troposphere (the weather domain), the temperature 't' at height 'h' above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)

a.

t = 15 - 0.0065h

b.

t = 15 + 0.0065h

c.

t = 0.0035h -15

d.

t = 15 - 0.0035h

Discuss
Answer: (a).t = 15 - 0.0065h
Q155.
Pick out the wrong statement.

a.

Benzopyrene which causes cancer is present in traces in tobacco, charcoal & petrol driven automobile exhaust.

b.

NO₂ is capable of penetrating the troposphere and can absorb both ultraviolet & visible light.

c.

Hydrocarbon pollutants are produced by sweet gum, oak & natural rubber trees.

d.

H₂S is not at all produced during combustion of sulphur bearing fuels as all the sulphur is oxidised to SO₂.

Discuss
Answer: (d).H₂S is not at all produced during combustion of sulphur bearing fuels as all the sulphur is oxidised to SO₂.
Q156.
Which of the following is not an air pollutant ?

a.

Ozone

b.

Carcinogens

c.

Pesticides

d.

Metallic powders

Discuss
Answer: (a).Ozone
Q157.
Presence of high concentration of ozone and smog in atmospheric air causes the

a.

embrittlement & decrease of folding resistance of paper.

b.

cracking of rubber products.

c.

fading of dye on textiles.

d.

damage of electrical insulator on high tension power line.

Discuss
Answer: (b).cracking of rubber products.
Q158.
Algae growth in water is controlled by

a.

deoxidation

b.

chlorination

c.

bleaching

d.

aeration

Discuss
Answer: (b).chlorination
Q159.
__________ is removed from water by lime-soda process.

a.

Foul smell and taste

b.

Iron and manganese

c.

Temporary hardness

d.

Permanent hardness

Discuss
Answer: (c).Temporary hardness
Q160.
Green house effect is accentuated by

a.

deforestation.

b.

rapid industrialisation.

c.

increased transportation activity.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Page 16 of 31