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 6 of 31

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Q51.
Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause

a.

explosion

b.

non biodegradable foam

c.

undesirable plant growth

d.

corrosion

Discuss
Answer: (a).explosion
Q52.
Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan

a.

with greater number of blades.

b.

of increased diameter.

c.

both (a) & (b).

d.

neither (a) nor (b).

Discuss
Answer: (c).both (a) & (b).
Q53.
Presence of soluble organics in polluted water causes

a.

undesirable plants growth.

b.

depletion of oxygen.

c.

fire hazards.

d.

explosion hazards.

Discuss
Answer: (b).depletion of oxygen.
Q54.
Which of the following pollutants, if present in atmosphere is detectable by its odour ?

a.

CO

b.

SO₂

c.

NO₂

d.

CO₂

Discuss
Answer: (b).SO₂
Q55.
Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels.

a.

90

b.

120

c.

150

d.

180

Discuss
Answer: (b).120
Q56.
Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes

a.

fading of dyes on textiles.

b.

corrosion, tarnishing & soiling of metals.

c.

reduced strength of textiles.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q57.
Nitrogen oxides (NOₓ) is not produced in the __________ industry.

a.

nitric acid making

b.

nitrogenous fertiliser

c.

detergent

d.

any of these

Discuss
Answer: (c).detergent
Q58.
World's worst radioactive pollution was caused by nuclear reactor disaster which occured in

a.

Arizona (U.S.A.)

b.

Chernobyl (undivided U.S.S.R.)

c.

Pensylvania (U.S.A.)

d.

Moscow (U.S.S.R.)

Discuss
Answer: (b).Chernobyl (undivided U.S.S.R.)
Q59.
Dissolved oxygen content in river water is around __________ ppm.

a.

5

b.

100

c.

250

d.

500

Discuss
Answer: (a).5
Q60.
What are the methods of treatment & disposal of radioactive wastes ?

a.

Evaporation & chemical precipitation.

b.

Biological methods & adsorption in ion exchange materials.

c.

Fixing into a solid mass with cement and sinking deep in the sea.

d.

All (a), (b) & (c).

Discuss
Answer: (d).All (a), (b) & (c).
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