Entropy in Thermodynamics

Entropy in Thermodynamics

University

7 Qs

quiz-placeholder

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Entropy in Thermodynamics

Entropy in Thermodynamics

Assessment

Quiz

Other

University

Medium

Created by

Nur Hamid

Used 1+ times

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is entropy in thermodynamics?

Entropy is a measure of energy in a system.

Entropy is a measure of temperature in a system.

Entropy is a measure of pressure in a system.

Entropy is a measure of disorder or randomness in a system.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is entropy related to the second law of thermodynamics?

Entropy is related to the second law of thermodynamics by indicating the direction in which natural processes occur, towards increasing disorder or randomness.

Entropy decreases as per the second law of thermodynamics

Entropy is unrelated to the second law of thermodynamics

Entropy is a constant value in the second law of thermodynamics

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula to calculate the change in entropy for a reversible process?

ΔS = ∫(dQ - T)

ΔS = ∫(dQ + T)

ΔS = ∫(dQ / T)

ΔS = ∫(dQ * T)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Discuss the role of entropy in heat transfer processes.

Entropy influences the direction of heat flow from high to low temperature areas, increasing the overall entropy of the system and the universe.

Entropy decreases as heat flows from high to low temperature areas

Entropy has no impact on heat transfer processes

Entropy only affects solid materials in heat transfer

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A process is considered irreversible when

Sgen = 0

Sgen < 0

Sgen ~ 0

Sgen > 0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In which region, does this equation apply: s=sf+xsfg

A

B

C

D

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

The entropy-change and isentropic relations of ideal gas can be relate by using

Approximate analysis

Exact analysis

Incompressible analysis

Compressible analysis