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 15 of 55

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Q141.
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.
Q142.
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
Q143.
In the equation, PVโฟ = 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
Q144.
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.

Cแตจ and Cแตฅ are state function.

Discuss
Answer: (b).Heat and work are both state function.
Q145.
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.
Q146.
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
Q147.
Forward reaction will be favoured for the exothermic reaction, represented by CO + Hโ‚‚O โ†” COโ‚‚ + Hโ‚‚, 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.
Q148.
Enthalpy of a gas depends upon its

a.

temperature

b.

mass

c.

volume

d.

pressure

Discuss
Answer: (a).temperature
Q149.
Which of the following is an undesirable characteristics of a refrigerant ?

a.

It should be non-explosive.

b.

It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils.

c.

Its vapor pressure at the condenser temperature should be very high.

d.

None of these.

Discuss
Answer: (b).It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils.
Q150.
"The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances". This is the

a.

Lewis-Randall rule.

b.

statement of Vant-Hoff equation.

c.

Le-Chatelier's principle.

d.

none of these.

Discuss
Answer: (d).none of these.
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