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 13 of 55

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Q121.
The four properties of a system viz. P, V, T, S are related by __________ equation.

a.

Gibbs-Duhem

b.

Gibbs-Helmholtz

c.

Maxwell's

d.

none of these

Discuss
Answer: (c).Maxwell's
Q122.
If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c.

a.

100

b.

50

c.

205

d.

200

Discuss
Answer: (d).200
Q123.
Pick out the wrong statement.

a.

Cᵨ of monoatomic gases such as metallic vapor is about 5 kcal/kg.atom.

b.

The heat capacity of solid inorganic substance is exactly equal to the heat capacity of the substance in the molten state.

c.

There is an increase in entropy, when a spontaneous change occurs in an isolated system.

d.

At absolute zero temperature, the heat capacity for many pure crystalline substances is zero.

Discuss
Answer: (b).The heat capacity of solid inorganic substance is exactly equal to the heat capacity of the substance in the molten state.
Q124.
The principle applied in liquefaction of gases is

a.

adiabatic expansion.

b.

Joule-Thomson effect.

c.

both (a) and (b).

d.

neither (a) nor (b).

Discuss
Answer: (c).both (a) and (b).
Q125.
Refrigeration capacity of a household refrigerator may be round about __________ tons.

a.

0.15

b.

1.5

c.

4.5

d.

6.5

Discuss
Answer: (a).0.15
Q126.
Chemical potential is a/an

a.

extensive property.

b.

intensive property.

c.

force which drives the chemical system to equilibrium.

d.

both (b) and (c).

Discuss
Answer: (d).both (b) and (c).
Q127.
In polytropic process (PVⁿ = constant), if n = 1; it means a/an __________ process.

a.

adiabatic

b.

reversible

c.

isothermal

d.

none of these

Discuss
Answer: (c).isothermal
Q128.
When dilute aqueous solutions of two salts are mixed, the process is associated with

a.

decrease in temperature.

b.

increase in temperature.

c.

no change in temperature.

d.

change in temperature which is a function of composition.

Discuss
Answer: (b).increase in temperature.
Q129.
Pick out the correct statement.

a.

Like internal energy and enthalphy, the absolute value of standard entropy for elementary substances is zero.

b.

Melting of ice involves increase in enthalpy and a decrease in randomness.

c.

The internal energy of an ideal gas depends only on its pressure.

d.

Maximum work is done under reversible conditions.

Discuss
Answer: (d).Maximum work is done under reversible conditions.
Q130.
Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.

a.

reaction mechanism

b.

calculation of rates

c.

energy transformation from one form to the another

d.

none of these

Discuss
Answer: (c).energy transformation from one form to the another
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