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 35 of 55

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Q341.
During adiabatic expansion of gas

a.

pressure remains constant.

b.

pressure is increased.

c.

temperature remains constant.

d.

none of these.

Discuss
Answer: (d).none of these.
Q342.
For a cyclic process, a fixed ratio between heat and work

a.

always exists

b.

may exist

c.

never exists

d.

is difficult to predict

Discuss
Answer: (a).always exists
Q343.
Which of the following is not a common refrigerant ?

a.

Freon-12

b.

Ethylene

c.

Ammonia

d.

Carbon dioxide

Discuss
Answer: (b).Ethylene
Q344.
The most important application of distribution law is in

a.

evaporation

b.

liquid extraction

c.

drying

d.

distillation

Discuss
Answer: (b).liquid extraction
Q345.
Pick out the correct statement.

a.

Entropy and enthalpy are path functions.

b.

In a closed system, the energy can be exchanged with the surrounding, while. matter can not be exchanged.

c.

All the natural processes are reversible in nature.

d.

Work is a state function.

Discuss
Answer: (c).All the natural processes are reversible in nature.
Q346.
Air-refrigeration cycle

a.

is the most efficient of all refrigeration cycles.

b.

has very low efficiency.

c.

requires relatively large quantities of air to achieve a significant amount of refrigeration.

d.

both (b) and (c).

Discuss
Answer: (d).both (b) and (c).
Q347.
In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be

a.

5.2

b.

6.2

c.

0.168

d.

data insufficient, can't be found out

Discuss
Answer: (a).5.2
Q348.
Gibbs free energy of mixing at constant pressure and temperature is always

a.

0

b.

∞

c.

+ ve

d.

- ve

Discuss
Answer: (d).- ve
Q349.
The compressibility factor for an ideal gas is 1. Its value for any other real gas is

a.

1

b.

< 1

c.

> 1

d.

either (b) or (c), depends on the nature of the gas

Discuss
Answer: (d).either (b) or (c), depends on the nature of the gas
Q350.
If two gases have same reduced temperature and reduced pressure, then they will have the same

a.

volume

b.

mass

c.

critical temperature

d.

none of these

Discuss
Answer: (d).none of these
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