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Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.
Answer & Solution
Correct Answer:
Option
A
Above the inversion temperature joule-thomson coefficient $${\left( {\frac{{\partial T}}{{\partial P}}} \right)_H} = - ve$$
So, by throttling (decreasing the pressure) the temperature increases and hence heating.
Below the inversion temperature houle-thomson coefficient $${\left( {\frac{{\partial T}}{{\partial P}}} \right)_H} = + ve$$
So,by throttling the temperature decreases hence cooling.
So, by throttling (decreasing the pressure) the temperature increases and hence heating.
Below the inversion temperature houle-thomson coefficient $${\left( {\frac{{\partial T}}{{\partial P}}} \right)_H} = + ve$$
So,by throttling the temperature decreases hence cooling.
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