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 46 of 136

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Q451.
Which of the following hardness tests uses the depth of penetration caused by the indentor as the parameter for arriving at the hardness value of a material ?

a.

Shore sceleroscope test.

b.

Vicker's hardness test.

c.

Brinell hardness test.

d.

Rockwell hardness test.

Discuss
Answer: (d).Rockwell hardness test.
Q452.
The most commonly used moderator in nuclear power plant is

a.

graphite

b.

light water

c.

heavy water

d.

berellium

Discuss
Answer: (a).graphite
Q453.
In an isochoric process,

a.

there is no transfer of mass and energy.

b.

free expansion of an ideal gas occurs.

c.

no mechanical work is done by the system.

d.

all 'a', 'b' & 'c'.

Discuss
Answer: (c).no mechanical work is done by the system.
Q454.
Which of the following metals can be extracted from its ore by both pyrometallur-gical as well as hydrometallurgical methods ?

a.

Copper

b.

Zinc

c.

both 'a' & 'b'

d.

neither 'a' nor 'b'

Discuss
Answer: (c).both 'a' & 'b'
Q455.
If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase.

a.

convection

b.

nucleate boiling

c.

radiation

d.

conduction

Discuss
Answer: (a).convection
Q456.
Piezoelectric is a material

a.

whose properties is midway between the constituent materials.

b.

which gets polarised, when stressed.

c.

in which magnetising force reduces when current flowing through it is in-cresed.

d.

which changes dimensions due to applied field.

Discuss
Answer: (b).which gets polarised, when stressed.
Q457.
Oxygen content below __________ percent in air contaminated with nitrogen does not support combustion and is unsafe for humane exposure.

a.

18

b.

16

c.

14

d.

12

Discuss
Answer: (b).16
Q458.
Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs.

a.

enthalpy

b.

relative humidity

c.

wet bulb temperature

d.

dew point temperature

Discuss
Answer: (d).dew point temperature
Q459.
Which of the following has rotten eggy smell ?

a.

Hydrogen sulphide

b.

Styrene

c.

Phenol

d.

Dimethyl amine

Discuss
Answer: (a).Hydrogen sulphide
Q460.
Freezing of 35% oleum during its shipment in winter is avoided by the addition of small amount of

a.

hydrochloric acid

b.

methyl alcohol

c.

formic acid

d.

nitric acid

Discuss
Answer: (d).nitric acid
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