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

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

Melting point

Boiling point

Freezing point

2 / 40

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

Heat transfer

Light transfer

Sound transfer

3 / 40

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

Evaporation

Condensation

Sublimation

4 / 40

What is the SI unit of heat capacity?

Joule per Celsius degree

Joule per gram

Joule per Kelvin

5 / 40

Which law of thermodynamics establishes the concept of temperature measurement?

Zeroth law of thermodynamics

First law of thermodynamics

Second law of thermodynamics

6 / 40

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

Convection

Conduction

Radiation

7 / 40

What is the specific heat capacity of iron?

0.84 J/g°C

0.45 J/g°C

0.11 J/g°C

8 / 40

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

Deposition

Condensation

Sublimation

9 / 40

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

Freezing point

Melting point

Boiling point

10 / 40

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

Specific heat

Heat capacity

Latent heat

11 / 40

What is the SI unit of specific heat capacity?

Joule per gram per Celsius degree

Joule per kilogram per Kelvin

Joule per gram per Kelvin

12 / 40

Which law of thermodynamics deals with the directionality of processes?

Zeroth law of thermodynamics

First law of thermodynamics

Second law of thermodynamics

13 / 40

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

Conduction

Convection

Radiation

14 / 40

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

First law of thermodynamics

Second law of thermodynamics

Zeroth law of thermodynamics

15 / 40

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

Deposition

Condensation

Sublimation

16 / 40

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

Conduction

Radiation

Convection

17 / 40

What is the SI unit of specific latent heat?

Joule per Kelvin

Joule per kilogram

Joule per gram

18 / 40

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

Specific heat

Latent heat

Heat capacity

19 / 40

Which law of thermodynamics deals with the conservation of energy?

First law of thermodynamics

Zeroth law of thermodynamics

Second law of thermodynamics

20 / 40

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

Light transfer

Heat transfer

Sound transfer

21 / 40

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

Internal energy

Mechanical energy

Thermal energy

22 / 40

What is the SI unit of temperature?

Celsius

Fahrenheit

Kelvin

23 / 40

What is the SI unit of thermal conductivity?

Joule per Kelvin

Watt per meter per Kelvin

Joule per second per Kelvin

24 / 40

What is the SI unit of heat flux density?

Joule per Kelvin

Joule per second per meter squared

Watt per square meter

25 / 40

What is the SI unit of entropy?

Joule per Kelvin

Joule per gram

Joule per second per Kelvin

26 / 40

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

Condensation

Vaporization

Sublimation

27 / 40

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

Conduction

Radiation

Convection

28 / 40

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

First law of thermodynamics

Second law of thermodynamics

Zeroth law of thermodynamics

29 / 40

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

Sublimation

Vaporization

Condensation

30 / 40

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

First law of thermodynamics

Second law of thermodynamics

Zeroth law of thermodynamics

31 / 40

What is the SI unit of heat and energy?

Joule

Watt

Newton

32 / 40

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

Zeroth law of thermodynamics

First law of thermodynamics

Second law of thermodynamics

33 / 40

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

Heat capacity

Latent heat

Specific heat

34 / 40

What is the SI unit of latent heat?

Joule per gram

Joule per kilogram

Joule per Kelvin

35 / 40

What is the SI unit of heat and energy?

Watt

Newton

Joule

36 / 40

What is the SI unit of heat transfer rate?

Joule

Celsius per second

Watt

37 / 40

What is the specific heat capacity of water?

1.00 J/g°C

2.1 J/g°C

4.18 J/g°C

38 / 40

What is the SI unit of entropy change?

Joule per Kelvin

Joule per second per Kelvin

Joule per gram

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

What is the transfer of heat through electromagnetic waves?

Radiation

Conduction

Convection

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adminJune 10, 2024

0 9 1 minute read