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

Specific heat

Latent heat

Heat capacity

2 / 40

Which law of thermodynamics establishes the concept of temperature measurement?

Zeroth law of thermodynamics

Second law of thermodynamics

First law of thermodynamics

3 / 40

Which law of thermodynamics deals with the directionality of processes?

Zeroth law of thermodynamics

First law of thermodynamics

Second law of thermodynamics

4 / 40

What is the SI unit of heat flux density?

Joule per Kelvin

Watt per square meter

Joule per second per meter squared

5 / 40

What is the specific heat capacity of iron?

0.84 J/g°C

0.45 J/g°C

0.11 J/g°C

6 / 40

What is the SI unit of entropy change?

Joule per gram

Joule per second per Kelvin

Joule per Kelvin

7 / 40

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

Second law of thermodynamics

Zeroth law of thermodynamics

First law of thermodynamics

8 / 40

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

Radiation

Convection

Conduction

9 / 40

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

Condensation

Sublimation

Deposition

10 / 40

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

Sound transfer

Heat transfer

Light transfer

11 / 40

What is the SI unit of latent heat?

Joule per gram

Joule per Kelvin

Joule per kilogram

12 / 40

What is the SI unit of specific heat capacity?

Joule per kilogram per Kelvin

Joule per gram per Celsius degree

Joule per gram per Kelvin

13 / 40

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

Condensation

Sublimation

Vaporization

14 / 40

What is the transfer of heat through electromagnetic waves?

Radiation

Convection

Conduction

15 / 40

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

Thermal energy

Internal energy

Mechanical energy

16 / 40

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

Second law of thermodynamics

Zeroth law of thermodynamics

First law of thermodynamics

17 / 40

Which law of thermodynamics deals with the conservation of energy?

Second law of thermodynamics

First law of thermodynamics

Zeroth law of thermodynamics

18 / 40

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

Radiation

Convection

Conduction

19 / 40

What is the SI unit of heat transfer rate?

Joule

Celsius per second

Watt

20 / 40

What is the SI unit of temperature?

Celsius

Fahrenheit

Kelvin

21 / 40

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

Convection

Radiation

Conduction

22 / 40

What is the SI unit of heat and energy?

Watt

Joule

Newton

23 / 40

What is the SI unit of heat and energy?

Newton

Joule

Watt

24 / 40

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

Freezing point

Boiling point

Melting point

25 / 40

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

Heat capacity

Specific heat

Latent heat

26 / 40

What is the SI unit of thermal conductivity?

Watt per meter per Kelvin

Joule per second per Kelvin

Joule per Kelvin

27 / 40

What is the SI unit of entropy?

Joule per gram

Joule per second per Kelvin

Joule per Kelvin

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

Zeroth law of thermodynamics

Second law of thermodynamics

29 / 40

What is the specific heat capacity of water?

2.1 J/g°C

1.00 J/g°C

4.18 J/g°C

30 / 40

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

Specific heat

Latent heat

Heat capacity

31 / 40

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

Condensation

Sublimation

Evaporation

32 / 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

33 / 40

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

Freezing point

Boiling point

Melting point

34 / 40

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

Deposition

Sublimation

Condensation

35 / 40

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

Convection

Radiation

Conduction

36 / 40

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

Light transfer

Heat transfer

Sound transfer

37 / 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

38 / 40

What is the SI unit of specific latent heat?

Joule per kilogram

Joule per gram

Joule per Kelvin

39 / 40

What is the SI unit of heat capacity?

Joule per gram

Joule per Celsius degree

Joule per Kelvin

40 / 40

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

Sublimation

Condensation

Vaporization

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adminJune 10, 2024

0 2 1 minute read