# Thermodynamics MCQ Questions and Answers for Practice

Here is the list of Thermodynamics MCQ questions and answers available online and pdf download format to practice for exams.

## Test Your Skills in ThermodynamicsQuiz Online

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 Questions with Answers

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:

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#### Thermodynamics Question and Answer PDF Online

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