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Thermodynamics & its Importance Video Lecture - Mechanical Engineering
FAQs on Thermodynamics & its Importance Video Lecture - Mechanical Engineering
| 1. What is thermodynamics? |  |
Ans. Thermodynamics is a branch of physics that deals with the study of energy and its interconversion between different forms. It also deals with the relationships between heat, work, and temperature.
| 2. What is the importance of thermodynamics? | |
Ans. Thermodynamics has a significant role in various fields such as engineering, physics, chemistry, and biology. It is crucial in the design and operation of power plants, engines, refrigeration systems, and many other devices that involve energy conversion.
| 3. What are the laws of thermodynamics? | |
Ans. The three laws of thermodynamics are:
1. The first law of thermodynamics - Energy cannot be created or destroyed, but it can be converted from one form to another.
2. The second law of thermodynamics - The total entropy of a closed system always increases over time.
3. The third law of thermodynamics - As the temperature approaches absolute zero, the entropy of a system approaches a minimum value.
| 4. What is the difference between heat and temperature in thermodynamics? | |
Ans. Heat is the transfer of energy from one body to another due to a temperature difference. Temperature is a measure of the average kinetic energy of the particles in a substance. In thermodynamics, heat is a form of energy, and temperature is a measure of the state of the system.
| 5. How are thermodynamics and entropy related? | |
Ans. Entropy is a measure of the disorder or randomness of a system. In thermodynamics, the second law states that the entropy of a closed system always increases over time. Therefore, thermodynamics and entropy are closely related, and the study of thermodynamics includes the analysis of entropy and its effects on energy conversion processes.
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