Chemical Engineering Basics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Chemical Engineering Basics, 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 Basics 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 Basics mcq questions that explore various aspects of Chemical Engineering Basics problems. Each MCQ is crafted to challenge your understanding of Chemical Engineering Basics 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 Basics 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 Basics. 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 Basics knowledge to the test? Let's get started with our carefully curated MCQs!

Chemical Engineering Basics MCQs | Page 126 of 136

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Q1251.
Plants produce carbohydrates from the CO₂ present in the atmosphere by

a.

polymerisation.

b.

photochemical reaction.

c.

oxidation.

d.

none of these.

Discuss
Answer: (b).photochemical reaction.
Q1252.
Identify the correct statement with reference to the extractive metallurgy of aluminium.

a.

The electrolyte consists of molten Na₃AlF₆ with approximately 1 to 8% Al₂O₃.

b.

Approximately 80% of the aluminium deposited on the cathode comes from cryolite.

c.

Sodium is deposited along with aluminium, but is immediately vaporised.

d.

Anode effect sets in when the cryolite concentration goes below 40%.

Discuss
Answer: (a).The electrolyte consists of molten Na₃AlF₆ with approximately 1 to 8% Al₂O₃.
Q1253.
A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle is proportional to

a.

√(particle diameter)

b.

particle diameter

c.

(particle diameter)²

d.

(particle diameter)³

Discuss
Answer: (b).particle diameter
Q1254.
Which of the following is not used as an alloying element in steel used for making permanent magnetic material ?

a.

Tungsten

b.

Chromium

c.

Vanadium

d.

Cobalt

Discuss
Answer: (c).Vanadium
Q1255.
Pick out the wrong statement.

a.

Geothermal energy is a non-conventional source of energy.

b.

Mass is converted into energy in both nuclear fission & fusion reaction.

c.

Inhalation of mercury vapour is not harmful for human beings.

d.

Inhalation of arsenic causes cancer.

Discuss
Answer: (c).Inhalation of mercury vapour is not harmful for human beings.
Q1256.
When a tuning fork vibrates, the waves produced in the fork are

a.

stationary

b.

longitudinal

c.

progressive

d.

transverse

Discuss
Answer: (b).longitudinal
Q1257.
Fatigue limit of a material should not be increased by

a.

shot peening

b.

surface decarburisation

c.

understressing

d.

cold working

Discuss
Answer: (b).surface decarburisation
Q1258.
For a fixed cross-sectional area, the most economical channel section has maximum

a.

wetted perimeter.

b.

fluid discharge rate.

c.

fluid velocity.

d.

depth of flowing fluid.

Discuss
Answer: (b).fluid discharge rate.
Q1259.
Pellets are not as popular a burden as sinter in the iron blast furnace, because of their

a.

shape.

b.

swelling tendency.

c.

poor reducibility.

d.

low mechanical strength.

Discuss
Answer: (b).swelling tendency.
Q1260.
A form of stress corrosion failure termed as 'season cracking' is generally observed in

a.

thermosetting polymers.

b.

high carbon steels.

c.

brasses.

d.

borosilicate glasses.

Discuss
Answer: (c).brasses.
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