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 20 of 55

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Q191.
For a single component two phase mixture, the number of independent variable properties are

a.

two

b.

one

c.

zero

d.

three

Discuss
Answer: (b).one
Q192.
__________ law of thermodynamics ascertains the direction of a particular spontaneous process.

a.

Zeroth

b.

First

c.

Second

d.

Third

Discuss
Answer: (c).Second
Q193.
At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole.

a.

72

b.

92

c.

142

d.

192

Discuss
Answer: (b).92
Q194.
For an ideal solution, the value of activity co-efficient is

a.

0

b.

1

c.

< 1

d.

> 1

Discuss
Answer: (b).1
Q195.
The expression, nCแตฅ(Tโ‚‚ - T1), is for the __________ of an ideal gas.

a.

work done under adiabatic condition

b.

co-efficient of thermal expansion

c.

compressibility

d.

none of these

Discuss
Answer: (a).work done under adiabatic condition
Q196.
In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent.

a.

0.25

b.

0.5

c.

0.75

d.

1

Discuss
Answer: (b).0.5
Q197.
Pick out the correct statement.

a.

The available energy in an isolated system for all irreversible (real) processes decreases.

b.

The efficiency of a Carnot engine increases, if the sink temperature is decreased.

c.

The reversible work for compression in non-flow process under isothermal condition is the change in Helmholtz free energy.

d.

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

Discuss
Answer: (d).all (a), (b) and (c)
Q198.
Partial molal quantities are important in the study of

a.

ideal gases

b.

ideal solutions

c.

non-ideal mixtures

d.

a pure component

Discuss
Answer: (c).non-ideal mixtures
Q199.
Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is

a.

2

b.

0

c.

1

d.

3

Discuss
Answer: (a).2
Q200.
Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which

a.

a homogeneous solution (say of phenol water) is formed.

b.

mutual solubility of the two liquids shows a decreasing trend.

c.

two liquids are completely separated into two layers.

d.

none of these.

Discuss
Answer: (a).a homogeneous solution (say of phenol water) is formed.
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