Heat And Thermodynamics MCQs with Answers

adminJune 10, 2024

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Welcome to the Heat And Thermodynamics MCQs with Answers. In this post, we have shared Heat And Thermodynamics Online Test for different competitive exams. Find practice Heat And Thermodynamics Practice Questions with answers in Physics Tests exams here. Each question offers a chance to enhance your knowledge regarding Heat And Thermodynamics.

Heat And Thermodynamics Online Quiz

By presenting 3 options to choose from, Heat And Thermodynamics Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Heat And Thermodynamics Questions and Answers and click over the correct answer.

Test Name: Heat And Thermodynamics MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

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Heat And Thermodynamics

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1 / 40

Which law of thermodynamics states that the entropy of a closed system tends to increase over time?

First law of thermodynamics

Zeroth law of thermodynamics

Second law of thermodynamics

2 / 40

What is the SI unit of specific heat capacity?

Joule per gram per Celsius degree

Joule per gram per Kelvin

Joule per kilogram per Kelvin

3 / 40

What is the SI unit of heat flux density?

Joule per Kelvin

Watt per square meter

Joule per second per meter squared

4 / 40

What is the SI unit of heat transfer rate?

Watt

Celsius per second

Joule

5 / 40

What is the transfer of heat through electromagnetic waves?

Convection

Radiation

Conduction

6 / 40

What is the SI unit of thermal conductivity?

Joule per Kelvin

Watt per meter per Kelvin

Joule per second per Kelvin

7 / 40

What is the SI unit of latent heat?

Joule per Kelvin

Joule per kilogram

Joule per gram

8 / 40

What is the SI unit of heat capacity?

Joule per Celsius degree

Joule per Kelvin

Joule per gram

9 / 40

What is the SI unit of heat and energy?

Joule

Newton

Watt

10 / 40

What is the temperature at which a substance changes from a solid to a liquid called?

Freezing point

Melting point

Boiling point

11 / 40

Which process involves the transfer of heat through direct contact between objects?

Radiation

Convection

Conduction

12 / 40

What is the process by which a substance changes from a gas to a liquid?

Condensation

Sublimation

Vaporization

13 / 40

What is the transfer of thermal energy between two objects due to a temperature difference?

Light transfer

Sound transfer

Heat transfer

14 / 40

What is the SI unit of entropy?

Joule per Kelvin

Joule per gram

Joule per second per Kelvin

15 / 40

What is the energy required to change the phase of a substance without changing its temperature called?

Heat capacity

Specific heat

Latent heat

16 / 40

Which law of thermodynamics states that energy cannot be created or destroyed, only transformed from one form to another?

Second law of thermodynamics

First law of thermodynamics

Zeroth law of thermodynamics

17 / 40

Which law of thermodynamics deals with the directionality of processes?

Zeroth law of thermodynamics

Second law of thermodynamics

First law of thermodynamics

18 / 40

Which process involves the transfer of heat through the movement of fluids, such as air or water?

Conduction

Convection

Radiation

19 / 40

What is the total kinetic and potential energy of the particles in an object called?

Thermal energy

Internal energy

Mechanical energy

20 / 40

The temperature at which a substance changes from a liquid to a gas is called the...

Melting point

Freezing point

Boiling point

21 / 40

What is the SI unit of entropy change?

Joule per second per Kelvin

Joule per Kelvin

Joule per gram

22 / 40

What is the specific heat capacity of water?

2.1 J/g°C

4.18 J/g°C

1.00 J/g°C

23 / 40

What is the specific heat capacity of iron?

0.45 J/g°C

0.84 J/g°C

0.11 J/g°C

24 / 40

Which process involves the direct conversion of a gas to a solid without passing through the liquid phase?

Deposition

Condensation

Sublimation

25 / 40

Which law of thermodynamics deals with the conservation of energy?

Second law of thermodynamics

First law of thermodynamics

Zeroth law of thermodynamics

26 / 40

What is the SI unit of temperature?

Kelvin

Fahrenheit

Celsius

27 / 40

What is the process by which a substance changes from a gas to a solid?

Sublimation

Condensation

Deposition

28 / 40

What is the SI unit of heat and energy?

Watt

Newton

Joule

29 / 40

What is the energy required to change the phase of a substance called?

Heat capacity

Latent heat

Specific heat

30 / 40

What is the SI unit of specific latent heat?

Joule per kilogram

Joule per gram

Joule per Kelvin

31 / 40

Which law of thermodynamics establishes the concept of temperature measurement?

Second law of thermodynamics

First law of thermodynamics

Zeroth law of thermodynamics

32 / 40

What is the transfer of heat through direct contact between particles of a substance?

Conduction

Convection

Radiation

33 / 40

Which law of thermodynamics states that heat always flows from a hotter object to a colder object?

Second law of thermodynamics

First law of thermodynamics

Zeroth law of thermodynamics

34 / 40

What is the transfer of heat through the movement of fluids due to density differences?

Conduction

Convection

Radiation

35 / 40

What is the transfer of thermal energy between two objects due to a temperature difference?

Light transfer

Heat transfer

Sound transfer

36 / 40

Which law of thermodynamics establishes the concept of temperature equality between two systems in thermal equilibrium?

Zeroth law of thermodynamics

Second law of thermodynamics

First law of thermodynamics

37 / 40

What is the process by which a substance changes from a liquid to a gas at its boiling point?

Sublimation

Vaporization

Condensation

38 / 40

What is the energy required to raise the temperature of one gram of a substance by one degree Celsius called?

Specific heat

Heat capacity

Latent heat

39 / 40

Which law of thermodynamics states that energy cannot be created or destroyed, only transformed from one form to another?

Zeroth law of thermodynamics

First law of thermodynamics

Second law of thermodynamics

40 / 40

Which process involves the direct conversion of a solid to a gas without passing through the liquid phase?

Evaporation

Sublimation

Condensation

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adminJune 10, 2024

0 9 1 minute read