Engineering Thermodynamics
Energy can neither be created nor destroyed but can be converted from one form to other is inferred from

Zeroth low of thermodynamic
First law of thermodynamics
Basic law of thermodynamics
Second law to thermodynamics

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

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 possible to transfer heat from a body at a lower temperature to a body at a higher temperature.
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.
None of these

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