Chemical Engineering Thermodynamics
The adiabatic throttling process of a perfect gas is one of constant enthalpy

Which is exemplified by a non-steady flow expansion
Which can be performed in a pipe with a constriction
In which there is a temperature drop
In which there is an increase in temperature

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Chemical Engineering Thermodynamics
Which one is true for a throttling process?

A gas may have more than one inversion temperatures
The inversion temperature is same for all gases
The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity
The inversion temperature is different for different gases

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Chemical Engineering Thermodynamics
Which of the following is an undesirable characteristics of a refrigerant ?

None of these
Its vapor pressure at the condenser temperature should be very high
It should be non-explosive
It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils

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