Engineering Thermodynamics
The behavior of a perfect gas, undergoing any change in the variables which control physical properties, is governed by

All of the listed here
Boyle's law
Charles' law
Gay-Lussac law

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Engineering Thermodynamics
Carnot cycle consists of

One constant volume, one constant pressure and two isentropic processes
Two constant pressure and two isentropic processes
Two isothermal and two isentropic processes
Two constant volume and two isentropic processes

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