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 31 of 55

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Q301.
Pick out the wrong statement.

a.

System (of partially miscible liquid pairs), in which the mutual solubility increases with rise in temperature, are said to possess an upper consolute temperature.

b.

Systems, in which the mutual solubility increases with decrease in temperature, are said to possess lower consolute temperature.

c.

Nicotine-water system shows both an upper as well as a lower consolute temperature, implying that they are partially miscible between these two limiting temperatures.

d.

none of these

Discuss
Answer: (d).none of these
Q302.
The total change in the enthalpy of a system is independent of the

a.

number of intermediate chemical reactions involved.

b.

pressure and temperature.

c.

state of combination and aggregation in the beginning and at the end of the reaction.

d.

none of these.

Discuss
Answer: (a).number of intermediate chemical reactions involved.
Q303.
Number of phases in a colloidal system are

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (b).2
Q304.
Free energy changes for two reaction mechanism 'X' and 'Y' are respectively - 15 and - 5 units. It implies that X is

a.

slower than Y

b.

faster than Y

c.

three times slower than Y

d.

three times faster than Y

Discuss
Answer: (b).faster than Y
Q305.
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
Q306.
The unit of fugacity is the same as that of the

a.

pressure

b.

temperature

c.

volume

d.

molar concentration

Discuss
Answer: (a).pressure
Q307.
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
Q308.
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.
Q309.
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).
Q310.
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€
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