If we combine a perfect engine and a real refrigerator with the engine converting heat Q from the hot reservoir into work W=Q to drive the refrigerator, then the heat dumped to the h...If we combine a perfect engine and a real refrigerator with the engine converting heat Q from the hot reservoir into work W=Q to drive the refrigerator, then the heat dumped to the hot reservoir by the refrigerator will be W+ΔQ, resulting in a perfect refrigerator transferring heat ΔQ from the cold reservoir to hot reservoir without any other effect.
If we combine a perfect engine and a real refrigerator with the engine converting heat Q from the hot reservoir into work W=Q to drive the refrigerator, then the heat dumped to the h...If we combine a perfect engine and a real refrigerator with the engine converting heat Q from the hot reservoir into work W=Q to drive the refrigerator, then the heat dumped to the hot reservoir by the refrigerator will be W+ΔQ, resulting in a perfect refrigerator transferring heat ΔQ from the cold reservoir to hot reservoir without any other effect.