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 20 of 31

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Q191.
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
Q192.
Removal of __________ results from the disinfection of water.

a.

turbidity

b.

odour

c.

hardness

d.

bacteria

Discuss
Answer: (d).bacteria
Q193.
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
Q194.
Carcinogenic air pollutants cause

a.

bone decay

b.

cancer

c.

asphyxiation (suffocation)

d.

anemia

Discuss
Answer: (b).cancer
Q195.
Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes

a.

asphyxiation (suffocation).

b.

shortness of breath.

c.

tuberculosis.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q196.
Soluble silica present in boiler feed water can be removed by

a.

coagulation

b.

filtration

c.

anion exchanger

d.

preheating it

Discuss
Answer: (c).anion exchanger
Q197.
The common pollutant generated in chlor-alkali industry and battery manufacture is

a.

mercury

b.

brine

c.

phosphate

d.

none of these

Discuss
Answer: (a).mercury
Q198.
During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank.

a.

filtration

b.

digestion

c.

sedimentation

d.

both (b) and (c)

Discuss
Answer: (d).both (b) and (c)
Q199.
Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace.

a.

low amount of excess combustion air

b.

large quantity of excess combustion air

c.

hydrocarbon fuel

d.

pulverised coal as fuel

Discuss
Answer: (a).low amount of excess combustion air
Q200.
Pick out the wrong statement.

a.

A slight haze at the top of chimney indicates good combustion in the furnace.

b.

A bag filter incurs very small pressure drop and is very efficient for removal of sub-micronic dust particles from flue gases at very high temperature.

c.

Electrostatic precipitator is the most efficient dust collection equipment for removal of sub-micronic dust particles present in flue gas.

d.

none of these.

Discuss
Answer: (b).A bag filter incurs very small pressure drop and is very efficient for removal of sub-micronic dust particles from flue gases at very high temperature.
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