In mechanical engineering mcq website today we solving thermodyanamics subject multiple choice questions Mcq on second law of thermodynamics (objective questions and answers)

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Mcq on second law of thermodynamics (objective questions and answers)

Second law of thermodynamic Mcq - 1

Which thermodynamics law defined the concept of entropy ?

A. First law of thermodynamics

B. Second law of thermodynamics

C. Third law of thermodynamics

D. Zeroth law of thermodynamics

Answer - B

Second law of thermodynamic Mcq - 2

The law of Second law of thermodynamics is discovered by ........

A. Joule

B. Kelvin

C. Plabt

D. Both B and C

Answer - D

Second law of thermodynamic Mcq - 3

According to 2nd law thermodynamics pmm 2 is ............

A. Possible

B. Impossible

C. Both A and B

D. None of these

Answer - B

Second law of thermodynamic Mcq - 4

The si unit moment of inertia is .........

A. Meter

B. Meter²

C. Meter³

D. Meter⁴

Answer - D

Second law of thermodynamic Mcq - 5

Second law of thermodynamics deals with

A. Conservation of heat

B. Conservation of mass

C. Conservation of energy

D. Conversion of heat into work.

Answer - D

Second law of thermodynamic Mcq - 6

Degress of disorder of a system is called as

A. Entropy

B. Enthalpy

C. Isobaric

D. Internal energy

Answer - A

Second law of thermodynamic Mcq - 7

Si Unit of radius of gyration is .......

A. meter

B. Second

C. meter ²

D. Newton

Answer - A

Second law of thermodynamic Mcq - 8

Pmm 2 machine is Reversible machine of second law of thermodynamics.

A. True

B. False

Answer - A

Second law of thermodynamic Mcq - 9

According to 2nd law thermodynamics heat always flow from

A. Low temperature to high temperature

B. High temperature to low temperature

C. Same temperature

D. None of these

Answer - B

Second law of thermodynamic Mcq - 10

Entropy is defined by second law of thermodynamics.

A. True

B. False

Answer - A

Second law of thermodynamic Mcq - 11

Heat is always flow from high temperature to low temperature

A. True

B. False

Answer - A

Second law of thermodynamic Mcq - 12

It is impossible to convert all heat energy into work energy without any external sources.

A. True

B. False

Answer - A

Second law of thermodynamic Mcq - 13

Heat taken from sink is based on a .........

A. First law of thermodynamics

B. Second law of thermodynamics

C. Third law of thermodynamics

D. Zeroth law of thermodynamics

Answer - B

Second law of thermodynamic Mcq - 14

Second law of thermodynamics defined which thermodynamics properties ?

A. Entropy

B. Enthalpy

C. Isobaric

D. Internal energy

Answer - A

Second law of thermodynamic Mcq - 15

Heat is flow from high temperature to low temperature this law is defined by ........

A. Joule

B. Kelvin

C. Clausis

D. Amanda's

Answer - C

Second law of thermodynamic Mcq - 16

Refrigeration system work on which law of thermodynamics ?

A. Zeroth law of thermodynamics

B. First law of thermodynamics

C. Second law of thermodynamics

D. Third law of thermodynamics

Answer - C

Second law of thermodynamic Mcq - 17

Pmm 2 machine is impossible machine according to second law of thermodynamics

A. True

B. False

Answer - A

Second law of thermodynamic Mcq - 18

It is impossible to convert all heat energy into work energy without any external sources.

A. Joule

B. Kelvin

C. Clausis

D. Amanda's

Answer - C

Second law of thermodynamic Mcq - 19

According to second law thermodynamics ............. is impossible.

A. Pmm 1

B. Pmm 2

C. Pmm 3

D. Pmm 4

Answer - B

Second law of thermodynamic Mcq - 1

A. S

B. S

C. G

D. N

Answer - C

Today we solving thermodyanamics subject multiple choice questions Mcq on second law of thermodynamics (objective questions and answers)

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