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 77 of 136

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Q761.
The thermodynamic law, PVแตž = constant, is not followed by the

a.

free expansion of an ideal gas.

b.

adiabatic expansion of steam in turbine.

c.

adiabatic compression of air.

d.

ideal compression of air.

Discuss
Answer: (a).free expansion of an ideal gas.
Q762.
Pick out the wrong statement about the machinability of metals. Machinability of a metal

a.

decreases with increase in strain hardening tendencies.

b.

decreases with increase in hardness, in general.

c.

depends on the composition, microstructure and physical & mechanical properties.

d.

decreases with increases in tensile strength & decrease in grain size.

Discuss
Answer: (d).decreases with increases in tensile strength & decrease in grain size.
Q763.
The refrigerant freon-12 is chemically

a.

CClโ‚‚Fโ‚‚

b.

CClโ‚ƒF

c.

CClFโ‚ƒ

d.

CClโ‚„F

Discuss
Answer: (a).CClโ‚‚Fโ‚‚
Q764.
Which of the following phenomenon will exhibit the minimum heat transfer?

a.

Boiling.

b.

Forced convection in air.

c.

Free convection in air.

d.

Conduction in air.

Discuss
Answer: (d).Conduction in air.
Q765.
__________ property of steel increases by addition of large amount of silicon in it.

a.

Mechanical

b.

Machining

c.

Magnetic

d.

Refractory

Discuss
Answer: (c).Magnetic
Q766.
__________ stress can not be sustained by a fluid in equilibrium.

a.

Shear

b.

Tensile

c.

Compressive

d.

none of these

Discuss
Answer: (a).Shear
Q767.
__________ test can be termed as the semi-distructive test.

a.

Impact

b.

Torsion

c.

Hardness

d.

Charpy

Discuss
Answer: (c).Hardness
Q768.
Uniform ramming of sand in green sand moulding process leads to

a.

reduced chance of gas porosity.

b.

greater dimensional stability of the casting.

c.

uniform flow of molten metal into the mould cavity.

d.

less sand expansion type of casting defect.

Discuss
Answer: (b).greater dimensional stability of the casting.
Q769.
The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element.

a.

Silicon

b.

Carbon

c.

Phosphorous

d.

Chromium

Discuss
Answer: (b).Carbon
Q770.
Wave length of X-rays is about 1 angstron, however it can not pass through a sheet of

a.

paper

b.

cloth

c.

lead

d.

aluminium

Discuss
Answer: (c).lead
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