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 37 of 55

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Q361.
Specific __________ does not change during a phase change (e.g. sublimation, melting, vaporisation etc.).

a.

entropy

b.

internal energy

c.

enthalpy

d.

Gibbs free energy

Discuss
Answer: (d).Gibbs free energy
Q362.
Heat of formation of an element in its standard state is

a.

0

b.

< 0

c.

> 0

d.

a function of pressure

Discuss
Answer: (a).0
Q363.
For an exothremic reaction

a.

only enthalpy change (ฮ”H) is negative.

b.

only internal energy change (ฮ”E) is negative.

c.

both ฮ”H and ฮ”E are negative.

d.

enthalpy change is zero.

Discuss
Answer: (c).both ฮ”H and ฮ”E are negative.
Q364.
Pick out the wrong statement.

a.

An ideal liquid or solid solution is defined as one in which each component obeys Raoult's law.

b.

If Raoult's law is applied to one component of a binary mixture ; Henry's law or Raoult's law is applied to the other component also.

c.

Henry's law is rigorously correct in the limit of infinite dilution.

d.

none of these.

Discuss
Answer: (d).none of these.
Q365.
Entropy change for an irreversible isolated system is

a.

โˆž

b.

0

c.

< 0

d.

> 0

Discuss
Answer: (d).> 0
Q366.
Heat requirement for decomposition of a compound into its elements is __________ that is evolved during the formation of that compound from its elements.

a.

the same

b.

less than

c.

greater than

d.

different than

Discuss
Answer: (a).the same
Q367.
The unit of equilibrium constant of a chemical reaction is the same as that of

a.

molar concentration

b.

temperature

c.

internal energy

d.

none of these

Discuss
Answer: (d).none of these
Q368.
Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass?

a.

dE = Tds - PdV

b.

dQ = CแตฅdT + PdV

c.

dQ = CpdT + Vdp

d.

Tds = dE - PdV

Discuss
Answer: (a).dE = Tds - PdV
Q369.
A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.

a.

isolated

b.

closed

c.

open

d.

none of these

Discuss
Answer: (c).open
Q370.
In a P-V diagram (for an ideal gas), an isothermal curve will coincide withan adiabatic curve (through a point), when

a.

Cแตจ < Cแตฅ

b.

Cแตจ = Cแตฅ

c.

Cแตจ > Cแตฅ

d.

C โ‰ฅ Cแตฅ

Discuss
Answer: (b).Cแตจ = Cแตฅ
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