Question

The second law of thermodynamics stated as law of heat engines

Accepted Answer

any cyclic process that uses thermal energy to do work must also have a thermal exhaust. Heat engines are always less than 100% efficient using thermal energy to do works.

Front	The second law of thermodynamics stated as law of heat engines
Back	any cyclic process that uses thermal energy to do work must also have a thermal exhaust. Heat engines are always less than 100% efficient using thermal energy to do works.

Thermal Law Heat Engines Energy Thermodynamics Stated Cyclic