Chemical Engineering Thermodynamics
The reaction A (l) R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are

Chemical Engineering Thermodynamics
A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect?

Vapor compression cycle using expansion valve
Air refrigeration cycle
Vapor compression cycle using expansion engine
Carnot refrigeration cycle

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Chemical Engineering Thermodynamics
An irreversible process

Yields the maximum amount of work
Yields an amount of work less than that of a reversible process
Is an idealised visualisation of behaviour of a system
Is the analog of linear frictionless motion in machines

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