GPT on Question 7, Sep 29
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 closed loop of refrigerant.
The cycle begins when a compressor squeezes the refrigerant gas, raising its pressure and temperature. The hot gas flows through condenser coils, usually on the back or underneath the refrigerator. There, it releases heat into the room and condenses into a liquid.
The liquid refrigerant then passes through a narrow expansion valve or capillary tube. Its pressure suddenly drops, making it much colder. It enters the evaporator coils inside the refrigerator, where it absorbs heat from the food and interior air. As it absorbs heat, the refrigerant evaporates back into a gas.
The gas returns to the compressor, and the cycle repeats. A thermostat monitors the internal temperature and switches the compressor on and off as needed. Fans may circulate cold air inside and help release heat outside. The refrigerator does not create cold; it cools its interior by transferring heat from inside to the room.
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