Engineering Thermodynamics
Intensive property of a system is one whose value

Is not dependent on the path followed but on the state
Depends on the mass of the system, like volume
Is dependent on the path followed and not on the state
Does not depend on the mass of the system, like temperature, pressure, etc.

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Engineering Thermodynamics
According to Kelvin-Planck’s statement of second law of thermodynamics,

It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work
It is possible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work
It is impossible to construct a device which operates in a cyclic process and produces no effect other than the transfer of heat from a cold body to a hot body
None of these

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