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 57 of 136

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Q561.
In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is

a.

less

b.

more

c.

equal

d.

unpredictable

Discuss
Answer: (a).less
Q562.
__________ number is sometimes used in place of Grashoff number in free convection heat transfer.

a.

Stanton

b.

Brinkman

c.

Rayleigh

d.

Nusselt

Discuss
Answer: (c).Rayleigh
Q563.
Wrought iron does not have the

a.

uniform strength in all directions.

b.

ability to hold protective coating.

c.

high ductility & corrosion resistance.

d.

easily weldable characteristics.

Discuss
Answer: (a).uniform strength in all directions.
Q564.
Hoope's cell is predominantly used for the electrolytic refining of

a.

zinc

b.

copper

c.

aluminium

d.

tin

Discuss
Answer: (c).aluminium
Q565.
Lead percentage in pure galena is about

a.

8.6

b.

86.6

c.

35.8

d.

61.4

Discuss
Answer: (a).8.6
Q566.
Pick out the wrong statement.

a.

Erosion corrosion which is identified by surface grooves, occurs due to the combined action of corrosive environment and mechanical abrasion.

b.

Stress corrosion occurs due to the combined action of corrosive environment and the compressive stress.

c.

Stainless steel is prone to stress corrosion in solution containing chloride ion.

d.

In case of stress corrosion, the direction of crack propagation is perpendicular to the applied tensile stress.

Discuss
Answer: (b).Stress corrosion occurs due to the combined action of corrosive environment and the compressive stress.
Q567.
The life of a ball bearing is inversely proportional to

a.

(load)¹

b.

(load)²

c.

(load)³

d.

(load)⅓

Discuss
Answer: (c).(load)³
Q568.
Pick out the wrong statement.

a.

Partnership is suitable for medium size business.

b.

A certain minimum of subscription of capital is required for legally starting a business in a Public Limited Joint Stock Company.

c.

Public Limited Joint Stock Company is legally bound to issue prospectus after registration.

d.

A small scale industry is the one, which has a minimum capital investment of Rs. 50 lakhs and maximum 100 lakhs.

Discuss
Answer: (d).A small scale industry is the one, which has a minimum capital investment of Rs. 50 lakhs and maximum 100 lakhs.
Q569.
Nitriding of steel is a process for

a.

case hardening

b.

spheroidising

c.

normalising

d.

annealing

Discuss
Answer: (a).case hardening
Q570.
The maximum percentage of chromium that can be added to steel is about

a.

12

b.

18

c.

24

d.

30

Discuss
Answer: (b).18
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