# MCQs on Entropy

In mechanical engineering mcq website today we solving Thermodynamics subject multiple choice questions Entropy mcq (objective questions and answers)

Guys this Entropy in thermodynamics  mcq with answer is important for all competitive exam so without wasting time start Mcq on entropy.

# Mcq on cotter joints (objective questions and answers)

 Entropy mcq (objective questions and answers)

Entropy Mcq - 1
Entropy is defined by  ..........

A. Zeroth law of thermodynamics
B. First law of thermodynamics
C. Second law of thermodynamics
D. Fourth law of thermodynamics

Entropy Mcq - 2
Entropy is a .........

A. Intensive property
B. Extensive property
C. Both  A and B
D. None of these

Entropy Mcq - 3
Entropy is a .......

A. Point function
B. Path function
C. Both A and B
D. None of these

Entropy Mcq - 4
What is si unit entropy ?

A. J / kg I
B. J / k
C. Kg / mol
D. Kg / mol ²

Entropy Mcq - 5
What is the maximum possible value of entropy .........

A. Zero
B. One
C. Two
D. Unlimited

Entropy Mcq - 6
The maximum value of entropy depends on ..........

A. Relationship between zero and first moment
B. Relationship between first and second moment
C. Relationship between two and three moment
D. None of these

Entropy Mcq - 7
At a triple point entropy is ..........

A. Maximum
B. Minimum
C. Zero
D. None of the above

Entropy Mcq - 8
Entropy is defined by second law of thermodynamics.

A. True
B. False

Entropy Mcq - 9
Entropy of irreversible system always .........

A. Decreased
B. Increased
C. Not change
D. None of these

Entropy Mcq - 10
Change of Entropy of isolated system .......

A. Decreased
B. Increased
C. Not change
D. None of these

Entropy Mcq - 11
Entropy is always decreased with time.

A. True
B. False

Solution-
Entropy is increased with respective time.

Entropy Mcq - 12
Entropy is measure the disorderness of a system.

A. True
B. False

Entropy Mcq - 13
In which process change in entropy is zero ?

A. At constant temperature process
B. At constant pressure process
D. At constant volume process

Entropy Mcq - 14
What is unit of entropy  ?

A. K mol ^-1
B. K mol ^-2
C. Jk^-1 mol ^-1
D. Jk^-1

Entropy Mcq - 15
Entropy of universe..........

A. Be maximum
B. Be minimum
C. Become zero
D. Remain constant

Entropy Mcq - 16
Entropy is a measure of ........

A. Precision
B. Accuracy
C. Disorder of system
D. None of these

Entropy Mcq - 17
Entropy is a extensive property.

A. True
B. False

Entropy Mcq - 18
The entropy of isolated system can never

A. Decreased
B. Increased
C. Be zero
D. None of these

Entropy Mcq - 19
Entropy of water at 0° c is assumed to be

A. 0
B. 1
C. 2
D. -1

Entropy Mcq - 20
Entropy change is depend on .......

A. Heat transfer
B. Work transfer
C. Mass transfer
D. Temperature transfer