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 3 of 55

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Q21.
The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzman's constant, T = absolute temperature)

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q22.
Efficiency of a Carnot engine working between temperatures Tโ‚ and Tโ‚‚ (Tโ‚ < Tโ‚‚) is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q23.
A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA as shown below in the P-V diagram. The net work done during the complete cycle is given by the area covered by

a.

Pโ‚ACBPโ‚‚Pโ‚

b.

ACBB'A'A

c.

ACBDA

d.

ADBB'A'A

Discuss
Answer: (c).ACBDA
Q24.
Maxwell's relation corresponding to the identity, dH = dS = Vdp + โˆ‘ฮผแตข dnแตข is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q25.
Entropy of an ideal gas depends upon its

a.

pressure

b.

temperature

c.

both (a) & (b)

d.

neither (a) nor (b)

Discuss
Answer: (c).both (a) & (b)
Q26.
Isobaric process means a constant process.

a.

temperature

b.

pressure

c.

volume

d.

entropy

Discuss
Answer: (b).pressure
Q27.
No work is done by the system, when a reaction occurs at constant

a.

volume

b.

temperature

c.

pressure

d.

none of these

Discuss
Answer: (a).volume
Q28.
If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase are known, then the latent heat of fusion can be calculated by the

a.

Maxwell's equation

b.

Clayperon-Claussius equation

c.

Van Laar equation

d.

Nernst Heat Theorem

Discuss
Answer: (b).Clayperon-Claussius equation
Q29.
The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing.

a.

contracts

b.

expands

c.

does not change in volume

d.

either (a), (b) or (c)

Discuss
Answer: (a).contracts
Q30.
In a reversible chemical reaction (where, ฮ”x = number of moles of products-number of moles of reactants )

a.

addition of inert gas favours the forward reaction, when ฮ”x is positive.

b.

pressure has no effect on equilibrium, when ฮ”n = 0.

c.

addition of inert gas has no effect on the equilibrium constant at constant volume for any value of ฮ”x (+ ve, - ve) or zero).

d.

all 'a', 'b' & 'c'.

Discuss
Answer: (d).all 'a', 'b' & 'c'.
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