GPT on Question 7, Sep 28
Answer in plain prose only. Do not use bullet points, headers, bold text, or lists. Explain how a refrigerator works.A refrigerator moves heat from inside the cabinet to the surrounding room using a circulating refrigerant.
The process begins in the evaporator, a set of cold coils inside or behind the refrigerated compartment. Liquid refrigerant absorbs heat from the food and air, causing the refrigerant to evaporate into a gas. A compressor then squeezes this gas, raising its pressure and temperature.
The hot, high-pressure refrigerant flows through condenser coils, usually located on the back or underneath the refrigerator. There it releases heat into the room and condenses back into a liquid. The liquid then passes through an expansion valve or narrow capillary tube, which lowers its pressure and temperature. It returns to the evaporator, where the cycle repeats.
A thermostat monitors the temperature and turns the compressor on and off as needed. Insulation and tight door seals slow heat from entering, while fans in many refrigerators circulate cold air to keep the temperature even. The refrigerator therefore does not create cold; it removes heat from its interior and releases that heat into the room.
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