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 30 of 31

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Q291.
__________ is the process of killing organism in water.

a.

Coagulation

b.

Sterilisation

c.

Disinfection

d.

Sedimentation

Discuss
Answer: (c).Disinfection
Q292.
Reingleman chart No. 2 corresponds to __________ percent black smoke.

a.

10

b.

20

c.

40

d.

80

Discuss
Answer: (c).40
Q293.
Which of the following is a manmade source of air pollution ?

a.

Automobile exhaust.

b.

Forest fire.

c.

Bacterial action in soil and swamp areas

d.

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

Discuss
Answer: (a).Automobile exhaust.
Q294.
Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas ?

a.

Packed scrubber

b.

Gravity settling chamber

c.

Electrostatic precipitator

d.

Hydrocyclone

Discuss
Answer: (c).Electrostatic precipitator
Q295.
Beyond what concentration of Hโ‚‚S in air, acute danger to human life exists ?

a.

50 ppm

b.

100 ppm

c.

300 ppm

d.

700 ppm

Discuss
Answer: (d).700 ppm
Q296.
Reingleman chart is used for the evaluation of __________ pollution.

a.

air

b.

water

c.

noise

d.

radioactive

Discuss
Answer: (a).air
Q297.
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
Q298.
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
Q299.
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
Q300.
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
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