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 27 of 55

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Q261.
Fugacity is a measure of the

a.

escaping tendencies of the same substance in different phases of a system.

b.

relative volatility of a mixture of two miscible liquids.

c.

behaviour of ideal gases.

d.

none of these.

Discuss
Answer: (a).escaping tendencies of the same substance in different phases of a system.
Q262.
The quantitative effect of temperature on chemical equilibrium is given by the

a.

Vant-Hoff equation.

b.

Le-Chatelier's principle.

c.

Arhenius equation.

d.

none of these.

Discuss
Answer: (a).Vant-Hoff equation.
Q263.
For an irreversible process involving only pressure-volume work

a.

(dF)T, p <0

b.

(dF)T, p = 0

c.

(dF)T, p > 0

d.

(dA)T, v >0

Discuss
Answer: (a).(dF)T, p <0
Q264.
Ideal refrigeration cycle is

a.

same as Carnot cycle.

b.

same as reverse Carnot cycle.

c.

dependent on the refrigerant's properties.

d.

the least efficient of all refrigeration processes.

Discuss
Answer: (b).same as reverse Carnot cycle.
Q265.
The following heat engine produces power of 100000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is

a.

100, 000 kW

b.

160, 000 kW

c.

200, 000 kW

d.

320, 000 kW

Discuss
Answer: (d).320, 000 kW
Q266.
Refrigeration cycle

a.

violates second law of thermodynamics.

b.

involves transfer of heat from low temperature to high temperature.

c.

both (a) and (b).

d.

neither (a) nor (b).

Discuss
Answer: (b).involves transfer of heat from low temperature to high temperature.
Q267.
The enthalpy change when ammonia gas is dissolved in water is called the heat of

a.

solution

b.

formation

c.

dilution

d.

combustion

Discuss
Answer: (a).solution
Q268.
Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as

a.

P + F - C = 2

b.

C = P - F + 2

c.

F = C - P - 2

d.

P = F - C - 2

Discuss
Answer: (a).P + F - C = 2
Q269.
The value of Cแตจ & Cแตฅ respectively for monoatomic gases in Kcal/kg Mole . °K are

a.

5 & 3

b.

3.987 & 1.987

c.

1.987 & 0.66

d.

0.66 & 1.987

Discuss
Answer: (a).5 & 3
Q270.
In case of a close thermodynamic system, there is __________ across the boundaries.

a.

no heat and mass transfer

b.

no mass transfer but heat transfer

c.

mass and energy transfer

d.

none of these

Discuss
Answer: (b).no mass transfer but heat transfer
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