why is it not possible to convert complete heat energy to mechanical energy?
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in heat engine when heat energy is transferred from source to sink through the working substance of the engine for its conversion into mechanical energy
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In heat engine when heat energy is transferred from source to sink through the working substance of the engine for its conversion into mechanical energy, some amount of heat energy is converted into work required to complete a cycle, and because of this complete heat energy can not be converted into mechanical energy.
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