Chemical Engineering Thermodynamics

Which one is true for a throttling process?

  • A. A gas may have more than one inversion temperatures
  • B. The inversion temperature is different for different gases
  • C. The inversion temperature is same for all gases
  • D. The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity
Answer: Option B.
Explanation: 

Different gases will have different inversion temperatures usually the hydrogen and helium will have very low maximum inversion temperatures so, cooling by using throttling for these gases is slightly difficult.

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