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 27 of 31

Discover more Topics under Basic Chemical Engineering

Q261.
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)
Q262.
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
Q263.
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.
Q264.
__________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant.

a.

Calcium

b.

Fluorine

c.

Phosphorous

d.

Sulphur

Discuss
Answer: (b).Fluorine
Q265.
'Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the

a.

industrial chimney exhaust.

b.

automobiles exhaust.

c.

photochemical reaction in polluted atmosphere.

d.

burning of domestic fuel.

Discuss
Answer: (b).automobiles exhaust.
Q266.
Inhalation of silica dust by human being causes

a.

asphyxiation

b.

shortness of breath

c.

tuberculosis

d.

both (b) & (c)

Discuss
Answer: (d).both (b) & (c)
Q267.
Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage ?

a.

Smog & ozone

b.

Hydrogen fluoride & nitrogen oxides

c.

Sulphur dioxide & spray of weed killers

d.

Carbon monoxide

Discuss
Answer: (d).Carbon monoxide
Q268.
A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called

a.

cesspool

b.

lagoon

c.

skimming mill

d.

septic tank

Discuss
Answer: (d).septic tank
Q269.
A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it.

a.

hydrogen

b.

carbon dioxide

c.

ozone

d.

none of these

Discuss
Answer: (c).ozone
Q270.
Insufficient washing of sand grains in a rapid sand filter causes

a.

air binding

b.

shrinkage of filtering media

c.

mud balls

d.

expansion of filtering media

Discuss
Answer: (c).mud balls
Page 27 of 31