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 69 of 136

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Q681.
When the weight of a ball inside the ball mill is just balanced by the centrifugal force,

a.

the ball abandons its circular path for a parabolic path.

b.

the ball abandans its parabolic path for a circular path.

c.

the ball continues to move on a circular path.

d.

the ball continues to move on a parabolic path.

Discuss
Answer: (a).the ball abandons its circular path for a parabolic path.
Q682.
When water is sprayed on air, passing through an insulated chamber maintained at a temperature higher than the dew point of entering air but lower than its dry bulb temperature, then the air is

a.

cooled and dehumified.

b.

heated and humidified.

c.

cooled and humidified.

d.

heated and dehumidified.

Discuss
Answer: (c).cooled and humidified.
Q683.
The hardness of the lathe bed material is measured by the

a.

shore sceleroscope.

b.

Brinnel hardness tester.

c.

Vicker's hardness tester.

d.

Rockwell hardness tester.

Discuss
Answer: (a).shore sceleroscope.
Q684.
RADAR is

a.

acronym for Radio Detection and Ranging.

b.

name of technique for locating distant objects.

c.

name of instrument for locating distant objects.

d.

all (a), (b) & (c)

Discuss
Answer: (d).all (a), (b) & (c)
Q685.
In the floatation process, pine oil is used as the

a.

collector

b.

activator

c.

frother

d.

depressant

Discuss
Answer: (c).frother
Q686.
With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and __________ is not affected.

a.

impact strength

b.

percent elongation

c.

hardness

d.

both 'b' & 'c'

Discuss
Answer: (a).impact strength
Q687.
Unit molar solution of __________ is the best conductor of electricity.

a.

sodium chloride

b.

acetic acid

c.

sulphuric acid

d.

sucrose

Discuss
Answer: (c).sulphuric acid
Q688.
A coal with high __________ content will ignite most easily.

a.

hydrogen

b.

oxygen

c.

volatile matter

d.

fixed carbon

Discuss
Answer: (c).volatile matter
Q689.
The weight of a body at the centre of the earth is

a.

infinite.

b.

zero.

c.

same as on the surface of the earth.

d.

none of these.

Discuss
Answer: (b).zero.
Q690.
For the same heat input & compression ratio, efficiency of Otto cycle is higher than that of diesel cycle, because in Otto cycle.

a.

heat rejection is lower.

b.

expansion & compression are isentropic.

c.

maximum temperature is higher.

d.

combustion is at constant volume.

Discuss
Answer: (a).heat rejection is lower.
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