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 23 of 55

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Q221.
The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is

a.

R logβ‚‘ 4

b.

R log₁₀ 4

c.

Cα΅₯ log₁₀ 4

d.

Cα΅₯ logβ‚‘ 4

Discuss
Answer: (a).R logβ‚‘ 4
Q222.
PVΚΈ = Constant (where, Ξ³ = Cᡨ/Cα΅₯) is valid for a/an __________ process.

a.

isothermal

b.

isentropic

c.

isobaric

d.

adiabatic

Discuss
Answer: (d).adiabatic
Q223.
Claude gas liquefaction process employs cooling

a.

at constant pressure.

b.

by throttling.

c.

by expansion in an engine.

d.

none of these.

Discuss
Answer: (c).by expansion in an engine.
Q224.
As the temperature is lowered towards the absolute zero, the value of βˆ‚(Ξ”F)/βˆ‚T, then approaches

a.

unity

b.

zero

c.

that of the heat of reaction

d.

infinity

Discuss
Answer: (b).zero
Q225.
Which of the following is not affected by temperature changes ?

a.

Fugacity

b.

Activity co-efficient

c.

Free energy

d.

None of these

Discuss
Answer: (d).None of these
Q226.
For an ideal gas, the activity co-efficient is

a.

directly proportional to pressure.

b.

inversely proportional to pressure.

c.

unity at all pressures.

d.

none of these.

Discuss
Answer: (c).unity at all pressures.
Q227.
Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions.

a.

ideal

b.

real

c.

isotonic

d.

none of these

Discuss
Answer: (a).ideal
Q228.
Critical compressibility factor for all substances

a.

are more or less constant (vary from 0.2 to 0.3).

b.

vary as square of the absolute temperature.

c.

vary as square of the absolute pressure.

d.

none of these.

Discuss
Answer: (a).are more or less constant (vary from 0.2 to 0.3).
Q229.
What is the degree of freedom for two mis-cible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope ?

a.

0

b.

1

c.

2

d.

3

Discuss
Answer: (c).2
Q230.
For a given substance at a specified temperature, activity is __________ to fugacity.

a.

directly proportional

b.

inversely proportional

c.

equal

d.

none of these

Discuss
Answer: (a).directly proportional
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