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 8 of 31

Discover more Topics under Basic Chemical Engineering

Q71.
Peroxyacyl nitrate (PAN), a pollutant is found in the

a.

automobile exhaust.

b.

flue gas of coal based power plant.

c.

exhaust of nitric acid plant.

d.

exhaust of sulphuric acid plant.

Discuss
Answer: (a).automobile exhaust.
Q72.
Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water.

a.

turbidity

b.

color (Hazen)

c.

total solids

d.

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

Discuss
Answer: (d).all (a), (b) & (c)
Q73.
Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools).

a.

1-2

b.

5-10

c.

15-20

d.

25-30

Discuss
Answer: (b).5-10
Q74.
Pick out the wrong statement.

a.

Catalytic converter is fitted in automobiles to reduce carbon monoxide concentration in exhaust emissions.

b.

Inhalation of pollutant carbon monoxide results in death by asphyxiation.

c.

Sulphur dioxide is the main pollutant emitted from the exhaust of petrol driven automobiles.

d.

Decomposition of plants containing chlorophyll is a natural source of carbon monoxide in atmosphere.

Discuss
Answer: (c).Sulphur dioxide is the main pollutant emitted from the exhaust of petrol driven automobiles.
Q75.
Most efficient and suitable dust removal equipment for removal of flyash from flue gas in a thermal power plant is the

a.

gravity settling chamber

b.

cyclone separator

c.

electrostatic precipitator

d.

bag filter

Discuss
Answer: (c).electrostatic precipitator
Q76.
Which of the following is not a secondary air pollutant ?

a.

Ozone

b.

Photochemical smog

c.

Sulphur dioxide

d.

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

Discuss
Answer: (c).Sulphur dioxide
Q77.
The concentration of water vapour in troposphere, which depends upon the altitude & temperature varies in the range of zero to __________ percent.

a.

1

b.

4

c.

8

d.

12

Discuss
Answer: (b).4
Q78.
The main industrial source of emission of hydrogen sulphide air pollutant is

a.

petroleum refineries.

b.

coal based thermal power plants.

c.

pulp and paper plant.

d.

metallurgical roasting & smelting plant.

Discuss
Answer: (b).coal based thermal power plants.
Q79.
Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances.

a.

radioactive

b.

organic

c.

inorganic

d.

none of these

Discuss
Answer: (c).inorganic
Q80.
A shallow pond in which the sewage is retained and biologically treated is called

a.

oxidation

b.

Imhoff tank

c.

lagoon

d.

skimming tank

Discuss
Answer: (a).oxidation
Page 8 of 31