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 39 of 55

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Q381.
The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant Cแตฅ), depends upon its

a.

pressure

b.

volume

c.

temperature

d.

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

Discuss
Answer: (c).temperature
Q382.
"When a gas is expanded from high pressure region to low pressure region ; temper -ature change occurs". This phenomenon is related to the

a.

Gibbs-Duhem equation

b.

Gibbs-Helmholtz equation

c.

Third law of thermodynamics

d.

Joule-Thomson effect

Discuss
Answer: (d).Joule-Thomson effect
Q383.
The internal energy of an ideal gas does not change in a reversible __________ process.

a.

isothermal

b.

adiabatic

c.

isobaric

d.

isometric

Discuss
Answer: (a).isothermal
Q384.
The expression for entropy change given by, ฮ”S = - nR ln (Pโ‚‚/Pโ‚), holds good for

a.

expansion of a real gas.

b.

reversible isothermal volume change.

c.

heating of an ideal gas.

d.

cooling of a real gas.

Discuss
Answer: (b).reversible isothermal volume change.
Q385.
With increase in temperature, the internal energy of a substance

a.

increases

b.

decreases

c.

remains unchanged

d.

may increase or decrease; depends on the substance

Discuss
Answer: (a).increases
Q386.
It is desired to bring about a certain change in the state of a system by performing work on the system under adiabatic conditions.

a.

The amount of work needed is path dependent.

b.

Work alone can not bring out such a change of state.

c.

The amount of work needed is independent of path.

d.

More information is needed to conclude anything about the path dependence or otherwise of the work needed.

Discuss
Answer: (a).The amount of work needed is path dependent.
Q387.
For a constant pressure reversible process, the enthalpy change (ฮ”H) of the system is

a.

Cแตฅ.dT

b.

Cp.dT

c.

๊ญCp.dT

d.

๊ญCแตฅ.dT

Discuss
Answer: (c).๊ญCp.dT
Q388.
The Joule-Thomson co-efficient is defined as (โˆ‚T/โˆ‚P)H. Its value at the inversion point is

a.

โˆž

b.

1

c.

0

d.

-ve

Discuss
Answer: (c).0
Q389.
Fugacity of a component in an ideal gas mixture is euqal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at contant pressure and temperature __________ as its mole fraction increases.

a.

decreases

b.

decreases exponentially

c.

increases

d.

remains constant

Discuss
Answer: (c).increases
Q390.
Entropy is a/an

a.

state function

b.

macroscopic property

c.

extensive property

d.

none of these

Discuss
Answer: (d).none of these
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