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

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

First law of thermodynamics mcq - 1

Which scientists discovered the first law of thermodynamics ?

A. Kelvin

B. Joule

C. plank

D. None of these

Answer - B

First law of thermodynamics mcq - 2

First law of thermodynamics define which thermodynamics properties ?

A. Enthalpy

B. Entropy

C. internal energy

D. Power

Answer - C

First law of thermodynamics mcq - 3

First law of thermodynamics deal's about

A. Conservation of work

B. Conservation of heat

C. Conservation of mass

D. Conservation of energy

Answer - D

First law of thermodynamics mcq - 4

The internal energy is represented by

A. Q

B. W

C. U

D. H

Answer - C

First law of thermodynamics mcq - 5

What is si unit of internal energy ?

A. Joule

B. Pascal

C. Bar

D. Unit less quality

Answer - A

First law of thermodynamics mcq - 6

PMM 1 is Reversible of ........

A. Zeroth law of thermodynamics

B. First law of thermodynamics

C. Second law of thermodynamics

D. Third law of thermodynamics

Answer - B

First law of thermodynamics mcq - 7

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

A. meter

B. Second

C. meter ²

D. Newton

Answer - A

First law of thermodynamics mcq - 8

According to first law of thermodynamics the total energy of system is remains constant.

A. True

B. False

Answer - A

First law of thermodynamics mcq - 9

The moment of inertia of a square is a .....

A. a / 12

B. a² / 12

C. a³ / 12

D. a⁴ / 12

Answer - D

First law of thermodynamics mcq - 10

First law of thermodynamics is discovered by scientists Joule.

A. True

B. False

Answer - A

First law of thermodynamics mcq - 11

According to PMM 1 first law of thermodynamics is ..............

A. Possible

B. Impossible

Answer - A

First law of thermodynamics mcq - 12

First law of thermodynamics is laws of conservation of energy .

A. True

B. False

Answer - A

First law of thermodynamics mcq - 13

Which thermodynamics law is defined the Internal energy ?

A. Zeroth law of thermodynamics

B. First law of thermodynamics

C. Second law of thermodynamics

D. Third law of thermodynamics

Answer - B

First law of thermodynamics mcq - 14

Internal energy is a .....

A. Path function

B. Point function

C. Both A and B

D. None of these

Answer - B

First law of thermodynamics mcq - 15

Which law of thermodynamics is defined the conservation of energy ?

A. Zeroth law of thermodynamics

B. First law of thermodynamics

C. Second law of thermodynamics

D. Third law of thermodynamics

Answer - B

First law of thermodynamics mcq - 16

1st law of thermodynamics define which thermodynamics properties ?

A. Enthalpy

B. Entropy

C. internal energy

D. Power

Answer - C

First law of thermodynamics mcq - 17

The first law of thermodynamics deals with transfer of energy one from to another from

A. True

B. False

Answer - A

First law of thermodynamics mcq - 18

Internal energy is a difference between heat transfer and work transfer

A. True

B. False

Answer - A

First law of thermodynamics mcq - 19

Q = dU + W is defined by ............

A. Zeroth law of thermodynamics

B. First law of thermodynamics

C. Second law of thermodynamics

D. Third law of thermodynamics

Answer - B

First law of thermodynamics mcq - 20

Internal energy is a thermodynamic property.

A. True

B. False

Answer - A

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

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