Chemical Engineering Thermodynamics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Chemical Engineering Thermodynamics, 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 Thermodynamics 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 Thermodynamics mcq questions that explore various aspects of Chemical Engineering Thermodynamics problems. Each MCQ is crafted to challenge your understanding of Chemical Engineering Thermodynamics 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 Thermodynamics 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 Thermodynamics. 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 Thermodynamics knowledge to the test? Let's get started with our carefully curated MCQs!

Chemical Engineering Thermodynamics MCQs | Page 16 of 55

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Q151.
Entropy, which is a measure of the disorder of a system is

a.

independent of pressure.

b.

independent of temperature.

c.

zero at absolute zero temperature for a perfect crystalline substance.

d.

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

Discuss
Answer: (c).zero at absolute zero temperature for a perfect crystalline substance.
Q152.
Critical temperature is defined as the temperature above which a gas will

a.

not liquify (barring exceptions).

b.

immediately liquify.

c.

never liquify however high the pressure may be.

d.

none of these.

Discuss
Answer: (c).never liquify however high the pressure may be.
Q153.
Pick out the wrong statement.

a.

Trouton's ratio of non-polar liquids is calculated using Kistyakowasky equation.

b.

Thermal efficiency of a Carnot engine is always less than 1.

c.

An equation relating pressure, volume and temperature of a gas is called ideal gas equation.

d.

none of these.

Discuss
Answer: (c).An equation relating pressure, volume and temperature of a gas is called ideal gas equation.
Q154.
When a gas is subjected to adiabatic expansion, it gets cooled due to

a.

decrease in velocity.

b.

decrease in temperature.

c.

decrease in kinetic energy.

d.

energy spent in doing work.

Discuss
Answer: (d).energy spent in doing work.
Q155.
Joule-Thomson effect i.e., a throttling process is a constant __________ process.

a.

entropy

b.

temperature

c.

internal energy

d.

enthalpy

Discuss
Answer: (d).enthalpy
Q156.
In the equation, PVⁿ = Constant, if the value of n = 0, then it represents a reversible __________ process.

a.

isobaric

b.

isothermal

c.

isentropic

d.

isometric

Discuss
Answer: (a).isobaric
Q157.
Pick out the wrong statement.

a.

Phase rule variables are intensive properties.

b.

Heat and work are both state function.

c.

The work done by expansion of a gas in vacuum is zero.

d.

Cᵨ and Cᵥ are state function.

Discuss
Answer: (b).Heat and work are both state function.
Q158.
Compressibility factor of a gas is

a.

not a function of its pressure.

b.

not a function of its nature.

c.

not a function of its temperature.

d.

unity, if it follows PV = nRT.

Discuss
Answer: (d).unity, if it follows PV = nRT.
Q159.
Which of the following is not an extensive property ?

a.

Free energy

b.

Entropy

c.

Refractive index

d.

None of these

Discuss
Answer: (c).Refractive index
Q160.
Forward reaction will be favoured for the exothermic reaction, represented by CO + H₂O ↔ CO₂ + H₂, by

a.

low temperature and high pressure.

b.

low temperature and low pressure.

c.

high temperature and high pressure.

d.

high temperature and low pressure.

Discuss
Answer: (a).low temperature and high pressure.
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