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 55 of 136

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Q541.
Density in the solid state is slightly less than that in its liquid state, in case of

a.

carbon dioxide

b.

water

c.

mercury

d.

none of these.

Discuss
Answer: (b).water
Q542.
Strain hardening effect in metals subjected to cold working is due to the __________ mechanism.

a.

slip

b.

fracture

c.

winning

d.

dislocation

Discuss
Answer: (d).dislocation
Q543.
__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

a.

Mach

b.

Reynolds

c.

Froude

d.

Weber

Discuss
Answer: (c).Froude
Q544.
Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?

a.

Nitrogen oxides

b.

Hydrocarbons

c.

both 'a' & 'b'

d.

Carbon monoxide

Discuss
Answer: (c).both 'a' & 'b'
Q545.
If Reynolds number is greater than 1, then the

a.

viscous force is larger than the inertia force.

b.

inertia force is larger than the viscous force.

c.

inertia force is larger than the surface tension force.

d.

inertia force is larger than the gravitational force.

Discuss
Answer: (b).inertia force is larger than the viscous force.
Q546.
The type of pump used for lifting large quantity of sewage is a __________ pump.

a.

gear

b.

centrifugal

c.

reciprocating

d.

plunger

Discuss
Answer: (b).centrifugal
Q547.
Which of the following metals is not subjected to electrolytic refinning/purification?

a.

Copper

b.

Zinc

c.

Tin

d.

Aluminium

Discuss
Answer: (c).Tin
Q548.
The most important function of a washer is to provide bearing area and washers are normally specified by their hole diameters. The diameter of washer as compared to the nut is

a.

more

b.

less

c.

same

d.

more but less than the diameter of bolt

Discuss
Answer: (a).more
Q549.
The hardenability of steel decreases with

a.

decrease in dislocation density.

b.

increase in solutionising temperature.

c.

increase in strength.

d.

decrease in grain size.

Discuss
Answer: (d).decrease in grain size.
Q550.
Pick out the correct statement about the condensation.

a.

Filmwise condensation gives a lower heat transfer rate than the dropwise condensation.

b.

Suitable coating or vapour additive is used to promote film wise condensation.

c.

If a condensing liquid does not wet the surface dropwise, even then condensation will take place on it.

d.

Reynolds number of condensing liquid is based on its mass flow rate.

Discuss
Answer: (b).Suitable coating or vapour additive is used to promote film wise condensation.
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