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 23 of 31

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Q221.
During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum ?

a.

Idle running

b.

Acceleration

c.

Cruising

d.

Deaccelaration

Discuss
Answer: (a).Idle running
Q222.
H₂S present in gaseous stream can be removed by adsorption on

a.

silica gel

b.

active carbon

c.

bog iron

d.

limestone powder

Discuss
Answer: (c).bog iron
Q223.
Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes

a.

blood poisoning.

b.

anaemia.

c.

nervous system disorder.

d.

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

Discuss
Answer: (d).all (a), (b) & (c).
Q224.
Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by

a.

natural aeration of water stream.

b.

photosynthetic action of algae.

c.

both (a) & (b).

d.

neither (a) nor (b).

Discuss
Answer: (c).both (a) & (b).
Q225.
Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to

a.

Reynold stresses

b.

shear forces

c.

both (a) & (b)

d.

neither (a) nor (b)

Discuss
Answer: (c).both (a) & (b)
Q226.
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
Q227.
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).
Q228.
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.
Q229.
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
Q230.
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
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