A reversible heat engine receives 6 kJ of heat from thermal reservoir at temperature 800 K...

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A reversible heat engine receives 6 kJ of heat from thermal reservoir at temperature 800 K and 8 kJ of heat from another thermal reservoir at temperature 600 K. If it rejects heat to a third thermal reservoir at temperature 100 K. Then the thermal efficiency of the engine is %. A reversible heat engine receives 6 kJ of heat from thermal reservoir at temperature 800 K and 8 kJ of heat from another thermal reservoir at temperature 600 K. If it rejects heat to a third thermal reservoir at temperature 100 K. Then the thermal efficiency of the engine is %.