Physics · Thermodynamics
According to the Kelvin-Planck statement of the second law of thermodynamics:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1it is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy completely into work.✓
- 2it is possible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy completely into work.
- 3it is impossible to construct a device which operates in a cyclic process and produces no effect other than the transfer of heat from a colder body to a hotter body.
- 4none of the statements above are correct.
Correct answer
it is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy completely into work.
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