Engineering Thermodynamics
Which of the following statement is correct according to Clausis statement of second law of thermodynamics?

None of these
It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle.
It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source.
It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature.

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Engineering Thermodynamics
Intensive property of a system is one whose value

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

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