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 32 of 55

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Q311.
The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is

a.

less

b.

more

c.

same

d.

dependent on climatic conditions

Discuss
Answer: (a).less
Q312.
The unit of fugacity is the same as that of the

a.

pressure

b.

temperature

c.

volume

d.

molar concentration

Discuss
Answer: (a).pressure
Q313.
Filling of gas from a high pressure cylinder into small bottles is an example of a/an __________ process.

a.

equilibrium

b.

adiabatic

c.

steady

d.

unsteady

Discuss
Answer: (d).unsteady
Q314.
A large iceberg melts at the base, but not at the top, because of the reason that

a.

ice at the base contains impurities which lowers its melting point.

b.

due to the high pressure at the base, its melting point reduces.

c.

the iceberg remains in a warmer condition at the base.

d.

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

Discuss
Answer: (b).due to the high pressure at the base, its melting point reduces.
Q315.
At the critical point of a substance

a.

the surface tension vanishes.

b.

liquid and vapour have the same density.

c.

there is no distinction between liquid and vapour phases.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q316.
A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then(where, ฮ” Sโ‚ and ฮ” Sส€ are the entropy changes of the system for the irreversible and reversible processes respectively)

a.

ฮ” Sโ‚ is always < ฮ” Sส€

b.

ฮ” Sโ‚ is sometimes > ฮ” Sส€

c.

ฮ” Sโ‚ is always > ฮ” Sส€

d.

ฮ” Sโ‚ is always = ฮ” Sส€

Discuss
Answer: (c).ฮ” Sโ‚ is always > ฮ” Sส€
Q317.
What is the value of Joule-Thomson co-efficient for an ideal gas ?

a.

+ve

b.

-ve

c.

0

d.

โˆž

Discuss
Answer: (c).0
Q318.
A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P1 and P2.(where, P1 and P2 are initial and final pressures respectively)

a.

logarithmic

b.

arithmetic

c.

geometric

d.

harmonic

Discuss
Answer: (c).geometric
Q319.
y = specific heat ratio of an ideal gas is equal to

a.

Cแตจ/Cแตฅ

b.

Cแตจ/(Cแตจ-R)

c.

1 + (R/Cแตฅ)

d.

all (a), (b) and (c)

Discuss
Answer: (d).all (a), (b) and (c)
Q320.
The reaction A (l) โ†’ R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are

a.

1

b.

2

c.

3

d.

0

Discuss
Answer: (b).2
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