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 14 of 31

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Q131.
Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes

a.

blood poisoning.

b.

anaemia.

c.

nervous system disorder.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q132.
TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm.

a.

0.1

b.

25

c.

100

d.

1000

Discuss
Answer: (a).0.1
Q133.
Most of the atmospheric air pollutants are present in large quantity in

a.

stratosphere

b.

thermosphere

c.

trophosphere

d.

mesosphere

Discuss
Answer: (c).trophosphere
Q134.
Pick out the wrong statement.

a.

Caustic embrittlement of boiler's metallic parts is caused by high concentration of caustic soda in boiler feed water.

b.

Cooling and freezing of water kills the bacteria present in it.

c.

With increasing boiler operating pressure of steam, the maximum allowable concentration of silica in feed water goes on decreasing.

d.

Dissolved oxygen content in high pressure boiler feed water should be nil.

Discuss
Answer: (b).Cooling and freezing of water kills the bacteria present in it.
Q135.
Deaeration of high pressure boiler feed water is done to reduce

a.

foaming from boilers.

b.

its dissolved oxygen content.

c.

its silica content.

d.

caustic embrittlement.

Discuss
Answer: (b).its dissolved oxygen content.
Q136.
Exposure to SO₂ containing chimney gases results in the

a.

reduction in strength of leather & cloth.

b.

acceleration of corrosion rates of metals.

c.

increased drying & hardening time of paints.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q137.
The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of __________ of water.

a.

dissolved oxygen content

b.

biological oxygen demand

c.

vapor pressure

d.

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

Discuss
Answer: (a).dissolved oxygen content
Q138.
Hydrogen ion concentration in distilled water is

a.

10⁻⁷

b.

7 x 10⁻⁷

c.

10⁷

d.

7 x 10⁷

Discuss
Answer: (a).10⁻⁷
Q139.
Removal of __________ results from the disinfection of water.

a.

turbidity

b.

odour

c.

hardness

d.

bacteria

Discuss
Answer: (d).bacteria
Q140.
Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate ?

a.

CO

b.

SO₂

c.

Noₓ

d.

CFC (chloro fluoro carbons)

Discuss
Answer: (a).CO
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