Mechanical Engineering Exam > Mechanical Engineering Questions > Consider the following properties:1. Entropy2...
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Consider the following properties:
1. Entropy
2. Viscosity
3. Temperature
4. Specific heat at constant volume
Which of the above properties of a system is/are extensive?
- a)1 only
- b)1 and 2 only
- c)2, 3 and 4
- d)1, 2 and 4
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Consider the following properties:1. Entropy2. Viscosity3. Temperature...
Extensive property: Whose value depends on the size or extent i.e. mass of the system (upper case letters as the symbols) e.g., Volume, Mass (V, M). If mass is increased, the value of extensive property also increases.
Most Upvoted Answer
Consider the following properties:1. Entropy2. Viscosity3. Temperature...
Extensive Properties of a System
Extensive properties of a system are properties that depend on the size or extent of the system. These properties increase with the size or extent of the system. Examples of extensive properties include mass, volume, and energy.
Answer Explanation
From the given properties, only entropy is an extensive property. The other properties, viscosity, temperature, and specific heat at constant volume, are intensive properties that do not depend on the size or extent of the system.
Explanation of Properties
1. Entropy: Entropy is a measure of the disorder or randomness of a system. It is an extensive property because it increases with the size or extent of the system.
2. Viscosity: Viscosity is a measure of a fluid's resistance to flow. It is an intensive property because it does not depend on the size or extent of the system.
3. Temperature: Temperature is a measure of the average kinetic energy of the particles in a system. It is an intensive property because it does not depend on the size or extent of the system.
4. Specific heat at constant volume: Specific heat at constant volume is the amount of heat required to raise the temperature of a unit mass of a substance by one degree Celsius at constant volume. It is an intensive property because it does not depend on the size or extent of the system.
Conclusion
In conclusion, only entropy is an extensive property among the given properties.
Extensive properties of a system are properties that depend on the size or extent of the system. These properties increase with the size or extent of the system. Examples of extensive properties include mass, volume, and energy.
Answer Explanation
From the given properties, only entropy is an extensive property. The other properties, viscosity, temperature, and specific heat at constant volume, are intensive properties that do not depend on the size or extent of the system.
Explanation of Properties
1. Entropy: Entropy is a measure of the disorder or randomness of a system. It is an extensive property because it increases with the size or extent of the system.
2. Viscosity: Viscosity is a measure of a fluid's resistance to flow. It is an intensive property because it does not depend on the size or extent of the system.
3. Temperature: Temperature is a measure of the average kinetic energy of the particles in a system. It is an intensive property because it does not depend on the size or extent of the system.
4. Specific heat at constant volume: Specific heat at constant volume is the amount of heat required to raise the temperature of a unit mass of a substance by one degree Celsius at constant volume. It is an intensive property because it does not depend on the size or extent of the system.
Conclusion
In conclusion, only entropy is an extensive property among the given properties.
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Community Answer
Consider the following properties:1. Entropy2. Viscosity3. Temperature...
Entropy is mass depended property. Others are independent from to mass of the system.
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Consider the following properties:1. Entropy2. Viscosity3. Temperature4. Specific heat at constant volumeWhich of the above properties of a system is/are extensive?a)1 onlyb)1 and 2 onlyc)2, 3 and 4d)1, 2 and 4Correct answer is option 'A'. Can you explain this answer?
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