A vapor-compression dehumidifier (essentially a window air-conditioner which sit

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A vapor-compression dehumidifier (essentially a window air-conditioner which sits entirely within the room- ie the heat rejected by the device is rejected within the room instead of outside) operates in a confined room that is insulated from its surroundings and is at 30 C and 70% relative humidity. While it operates, the condenser coils are at 40 C and the evaporator coils are at 5 C. The COP (based on heat removed at the evaporator, like an air-conditioner or refrigerator) of the vapor-compression cycle is 7. The vapor-compression cycle is driven by an electric motor which is supplied with 800[W] of power and is 90% efficient. The air coming in contact with the evaporator coils comes to thermal equilibrium with the coils and leaves with 100% relative humidity. Assuming the dehumidifier is operating in steady state, calculate;

A) The second law efficiency of the vapor-compression cycle (don

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