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 22 of 31

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Q211.
Reingleman chart is used for the evaluation of __________ pollution.

a.

air

b.

water

c.

noise

d.

radioactive

Discuss
Answer: (a).air
Q212.
There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km.

a.

0.05

b.

1

c.

6.5

d.

15

Discuss
Answer: (c).6.5
Q213.
Brown spots in fabrics will be caused by washing with water containing large amount of .

a.

iron

b.

zinc

c.

iodine

d.

bromine

Discuss
Answer: (a).iron
Q214.
Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (ฮผg)/litre.

a.

2

b.

42

c.

332

d.

1050

Discuss
Answer: (b).42
Q215.
Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels.

a.

105

b.

135

c.

160

d.

185

Discuss
Answer: (b).135
Q216.
If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur.

a.

50

b.

500

c.

1000

d.

3000 (i.e. 0.3%)

Discuss
Answer: (d).3000 (i.e. 0.3%)
Q217.
Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes

a.

fire hazards.

b.

explosion hazards.

c.

persistent foam.

d.

depletion of dissolved oxygen.

Discuss
Answer: (c).persistent foam.
Q218.
Pick out the wrong statement.

a.

The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere.

b.

Stratosphere is rich in ozone and is located just above the troposphere.

c.

Troposphere is a turbulent dusty zone containing much of water vapor and clouds.

d.

The earth's atmosphere is an envelope of gases extending upto a height of about 200 kms.

Discuss
Answer: (a).The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere.
Q219.
In water chemical treatment plant, use of chloramines ensures

a.

disinfection.

b.

taste & odour control.

c.

weed control in reservoirs.

d.

removal of permanent hardness.

Discuss
Answer: (a).disinfection.
Q220.
Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants ?

a.

Noโ‚“

b.

Hg

c.

SOโ‚‚

d.

F

Discuss
Answer: (c).SOโ‚‚
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