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 79 of 136

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Q781.
Number of electrons in the outermost shell of a semi-conductor material is

a.

2

b.

4

c.

6

d.

8

Discuss
Answer: (d).8
Q782.
The velocity at which individual particles from a fluidised bed are carried away by the fluid passing through it, is defined as the

a.

minimum fluidisation velocity.

b.

terminal velocity.

c.

elutriation velocity.

d.

superficial velocity.

Discuss
Answer: (c).elutriation velocity.
Q783.
Tip of the match stick contains a mixture of

a.

K + S

b.

K + S + K₂Cr₂O₇

c.

S + K₂Cr₂O₇ + White P

d.

none of these

Discuss
Answer: (c).S + K₂Cr₂O₇ + White P
Q784.
Which of the following is not an ore of aluminium ?

a.

Troosite

b.

Kaolin

c.

Alunite

d.

Cryolite

Discuss
Answer: (a).Troosite
Q785.
Heat treatment of steel is done to mainly change its __________ properties.

a.

physical

b.

chemical

c.

mechanical

d.

surface

Discuss
Answer: (c).mechanical
Q786.
Normal dosage of chlorine in public water supply scheme ranges from __________ ppm.

a.

0.5 to 1

b.

10 to 15

c.

300 to 500

d.

1000 to 1500

Discuss
Answer: (a).0.5 to 1
Q787.
Thermal shock produced by cooling is more dengerous/deleterious than that produced by heating a surface, because of the reason that

a.

cooling produces tension on the surface.

b.

cooling produces compression on the surface.

c.

heating does not produces any thermal stress.

d.

heating produces compression on the surface.

Discuss
Answer: (a).cooling produces tension on the surface.
Q788.
The hardness of a grinding wheel is specified by the

a.

alphabetical letter.

b.

Rockwell hardness number.

c.

Brinell hardness number.

d.

none of these.

Discuss
Answer: (a).alphabetical letter.
Q789.
Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature.

a.

increases

b.

decreases

c.

shows inversion of solubility

d.

none of these

Discuss
Answer: (a).increases
Q790.
While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________ x Tm (where, Tm Melting temperature).

a.

0.25

b.

0.45

c.

0.70

d.

0.95

Discuss
Answer: (c).0.70
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