Thermodynamics MCQ Multiple Choice Questions Answers | Quiz for Practice

Q: 1. What is the name of the following statement: “When two systems are in thermal equilibrium with a third system, then they are in thermal equilibrium with each other”?

Correct Answer is: Zeroth Law of Thermodynamics

Q: 8. Kinetic Theory is based on an ideal gas model. The following statements about the ideal gas are true EXCEPT:

Correct Answer is: All molecules move with the same speed

Q: 14. When we touch a piece of metal and a piece of wood that are placed in the same room, the piece of metal feels much colder than the piece of wood. This happens because of the difference in:

Correct Answer is: Thermal conductivity

Embark on a journey through the fascinating world of Thermodynamics with our comprehensive collection of multiple-choice questions and answers. Whether you're a student preparing for exams or an enthusiast eager to explore the principles governing energy and heat, our meticulously curated selection covers all aspects of thermodynamics, from laws of thermodynamics to heat engines and entropy. Delve into fundamental concepts and practical applications with our user-friendly interface and detailed explanations. Mastering Thermodynamics has never been more accessible and engaging. Start unraveling the mysteries of energy and heat today!

Thermodynamics MCQ Questions for Practice

1. What is the name of the following statement: “When two systems are in thermal equilibrium with a third system, then they are in thermal equilibrium with each other”?

First Law of Thermodynamics
Second Law of Thermodynamics
Mechanical equivalent of heat
Zeroth Law of Thermodynamics

2. An aluminum plate has a circular hole. If the temperature of the plate increases, what happens to the size of the hole?

Increases
Decreases
Stays the same
Increases the top half of the hole

3. Which of the following temperature scales doesn’t have negative numbers?

Celsius
Kelvin
Reaumur
Fahrenheit

4. A container filled with a sample of an ideal gas at the pressure of 1.5 atm. The gas is compressed isothermally to one-fourth of its original volume. What is the new pressure of the gas?

3 atm
4 atm
5 atm
6 atm

5. A container with rigid walls filled with a sample of ideal gas. The absolute temperature of the gas is doubled. What happens to the pressure of the gas?

Doubles
Quadruples
Triples
Decreased to one-half

6. The absolute temperature of an ideal diatomic gas is quadrupled. What happens to the average speed of molecules?

Quadruples
Doubles
Triples
Increases by a factor of 1.41

7. The average molecular kinetic energy of a gas depends on:

Pressure
Volume
Temperature
Number of moles

8. Kinetic Theory is based on an ideal gas model. The following statements about the ideal gas are true EXCEPT:

The average molecular kinetic energy is directly proportional to the absolute temperature
All molecules move with the same speed
All molecules make elastic collisions with each other and the walls of the container
The attractive force between the molecules can be ignored

9. A sample of ideal gas has an internal energy U and is then compressed to one-half of its original volume while the temperature stays the same. What is the new internal energy of the ideal gas in terms of U?

U
1/2U
1/4U
2U

10. An ideal gas with an internal energy U initially at 0 °C is heated to 273 °C. What is the new internal energy in terms of U?

U
1/2U
1/4U
2U

11. Mechanical equivalent is associated with:

Newton
Kelvin
Joule
Boltzmann

12. A silver tea spoon is placed in a cup filled with hot tea. After some time, the exposed end of the spoon becomes hot even without a direct contact with the liquid. This phenomenon can be explained by:

Thermal expansion
Conduction
Convection
Radiation

13. The process of heat transfer from object to another because of molecular motion and interaction is called:

Convection
Conduction
Radiation
Induction

14. When we touch a piece of metal and a piece of wood that are placed in the same room, the piece of metal feels much colder than the piece of wood. This happens because of the difference in:

Specific heat
Temperature
Density
Thermal conductivity

15. The process of heat transfer by the movement of mass from one place to another is called:

Convection
Conduction
Radiation
Induction

16. Which mechanism of heat transfer is involved in heating a pot with water on a stove?

Convection
Conduction
Radiation
Induction

17. Which mechanism of heat transfer is involved in heat flow from Sun to Earth?

Convection
Conduction
Radiation
Induction

Thermodynamics MCQ Multiple Choice Questions Answers | Quiz for Practice

Thermodynamics MCQ Questions for Practice

1. What is the name of the following statement: “When two systems are in thermal equilibrium with a third system, then they are in thermal equilibrium with each other”?

2. An aluminum plate has a circular hole. If the temperature of the plate increases, what happens to the size of the hole?

3. Which of the following temperature scales doesn’t have negative numbers?

4. A container filled with a sample of an ideal gas at the pressure of 1.5 atm. The gas is compressed isothermally to one-fourth of its original volume. What is the new pressure of the gas?

5. A container with rigid walls filled with a sample of ideal gas. The absolute temperature of the gas is doubled. What happens to the pressure of the gas?

6. The absolute temperature of an ideal diatomic gas is quadrupled. What happens to the average speed of molecules?

7. The average molecular kinetic energy of a gas depends on:

8. Kinetic Theory is based on an ideal gas model. The following statements about the ideal gas are true EXCEPT:

9. A sample of ideal gas has an internal energy U and is then compressed to one-half of its original volume while the temperature stays the same. What is the new internal energy of the ideal gas in terms of U?

10. An ideal gas with an internal energy U initially at 0 °C is heated to 273 °C. What is the new internal energy in terms of U?

11. Mechanical equivalent is associated with:

12. A silver tea spoon is placed in a cup filled with hot tea. After some time, the exposed end of the spoon becomes hot even without a direct contact with the liquid. This phenomenon can be explained by:

13. The process of heat transfer from object to another because of molecular motion and interaction is called:

14. When we touch a piece of metal and a piece of wood that are placed in the same room, the piece of metal feels much colder than the piece of wood. This happens because of the difference in:

15. The process of heat transfer by the movement of mass from one place to another is called:

16. Which mechanism of heat transfer is involved in heating a pot with water on a stove?

17. Which mechanism of heat transfer is involved in heat flow from Sun to Earth?

18. If the absolute temperature of a radiating object is doubled, by what factor does the rate of energy emission change?

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Thermodynamics MCQ Multiple Choice Questions Answers | Quiz for Practice

Thermodynamics MCQ Questions for Practice

1. What is the name of the following statement: “When two systems are in thermal equilibrium with a third system, then they are in thermal equilibrium with each other”?

2. An aluminum plate has a circular hole. If the temperature of the plate increases, what happens to the size of the hole?

3. Which of the following temperature scales doesn’t have negative numbers?

4. A container filled with a sample of an ideal gas at the pressure of 1.5 atm. The gas is compressed isothermally to one-fourth of its original volume. What is the new pressure of the gas?

5. A container with rigid walls filled with a sample of ideal gas. The absolute temperature of the gas is doubled. What happens to the pressure of the gas?

6. The absolute temperature of an ideal diatomic gas is quadrupled. What happens to the average speed of molecules?

7. The average molecular kinetic energy of a gas depends on:

8. Kinetic Theory is based on an ideal gas model. The following statements about the ideal gas are true EXCEPT:

9. A sample of ideal gas has an internal energy U and is then compressed to one-half of its original volume while the temperature stays the same. What is the new internal energy of the ideal gas in terms of U?

10. An ideal gas with an internal energy U initially at 0 °C is heated to 273 °C. What is the new internal energy in terms of U?

11. Mechanical equivalent is associated with:

12. A silver tea spoon is placed in a cup filled with hot tea. After some time, the exposed end of the spoon becomes hot even without a direct contact with the liquid. This phenomenon can be explained by:

13. The process of heat transfer from object to another because of molecular motion and interaction is called:

14. When we touch a piece of metal and a piece of wood that are placed in the same room, the piece of metal feels much colder than the piece of wood. This happens because of the difference in:

15. The process of heat transfer by the movement of mass from one place to another is called:

16. Which mechanism of heat transfer is involved in heating a pot with water on a stove?

17. Which mechanism of heat transfer is involved in heat flow from Sun to Earth?

18. If the absolute temperature of a radiating object is doubled, by what factor does the rate of energy emission change?

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