Mechanical Engineering Exam > Mechanical Engineering Questions > Consider the following properties: Temperatur...
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Consider the following properties:
- Temperature
- Viscosity
- Specific entropy
- Thermal conductivity
Which of the above properties of a system is/are intensive?
- a)1 only
- b)2 and 3 only
- c)2, 3 and 4 only
- d)1, 2, 3 and 4
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
Consider the following properties: Temperature Viscosity Specific entr...
(d) Intensive properties are independent of the mass in the system, for example, density, pressure, temperature. Extensive properties are related to mass, for example, volume, energy.
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Consider the following properties: Temperature Viscosity Specific entr...
Intensive Properties of a System
Intensive properties of a system are independent of the system's size or the amount of matter in the system. These properties remain the same regardless of the size of the system. The following properties are intensive properties:
1. Temperature: Temperature is the degree of hotness or coldness of a system. It is measured in Celsius, Fahrenheit, or Kelvin. The temperature of a system remains the same regardless of the size of the system.
2. Viscosity: Viscosity is the resistance of a fluid to flow. It is a measure of the thickness of a fluid. Viscosity remains the same regardless of the size of the system.
3. Specific Entropy: Specific entropy is the measure of the amount of disorder in a system. It is measured in Joules per Kelvin per kilogram. Specific entropy is an intensive property because it remains the same regardless of the size of the system.
4. Thermal Conductivity: Thermal conductivity is the ability of a material to conduct heat. It is measured in Watts per meter per Kelvin. Thermal conductivity remains the same regardless of the size of the system.
Conclusion
Based on the above discussion, we can conclude that all the above properties, namely temperature, viscosity, specific entropy, and thermal conductivity, are intensive properties of a system. These properties do not depend on the size of the system and remain constant regardless of the amount of matter in the system. Therefore, the correct answer is option 'D' - 1, 2, 3, and 4.
Intensive properties of a system are independent of the system's size or the amount of matter in the system. These properties remain the same regardless of the size of the system. The following properties are intensive properties:
1. Temperature: Temperature is the degree of hotness or coldness of a system. It is measured in Celsius, Fahrenheit, or Kelvin. The temperature of a system remains the same regardless of the size of the system.
2. Viscosity: Viscosity is the resistance of a fluid to flow. It is a measure of the thickness of a fluid. Viscosity remains the same regardless of the size of the system.
3. Specific Entropy: Specific entropy is the measure of the amount of disorder in a system. It is measured in Joules per Kelvin per kilogram. Specific entropy is an intensive property because it remains the same regardless of the size of the system.
4. Thermal Conductivity: Thermal conductivity is the ability of a material to conduct heat. It is measured in Watts per meter per Kelvin. Thermal conductivity remains the same regardless of the size of the system.
Conclusion
Based on the above discussion, we can conclude that all the above properties, namely temperature, viscosity, specific entropy, and thermal conductivity, are intensive properties of a system. These properties do not depend on the size of the system and remain constant regardless of the amount of matter in the system. Therefore, the correct answer is option 'D' - 1, 2, 3, and 4.
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Consider the following properties: Temperature Viscosity Specific entr...
All are independent of mass or quantity of matter so these are intensive property
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Consider the following properties: Temperature Viscosity Specific entropy Thermal conductivityWhich of the above properties of a system is/are intensive?a)1 onlyb)2 and 3 onlyc)2, 3 and 4 onlyd)1, 2, 3 and 4Correct answer is option 'D'. Can you explain this answer?
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