Chemical Engineering Thermodynamics
The main feature of Carnot refrigeration cycle is that, it

Does not need the addition of external work for its functioning
Transfers heat from high temperature to low temperature
Accomplishes the reverse effect of the heat engine
None of these

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Chemical Engineering Thermodynamics
Which of the following is true for Virial equation of state?

Virial co-efficients are universal constants
Virial co-efficients are function of temperature only
Virial co-efficients
For some gases, Virial equations and ideal gas equations are the same

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