GPT on Question 7, Sep 15
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 sealed refrigeration cycle.
A compressor pressurizes a refrigerant gas, making it hot. The gas flows through condenser coils, usually located on the back or underneath the refrigerator, where it releases heat into the room and condenses into a liquid. The liquid then passes through a narrow expansion valve or capillary tube. Its pressure drops suddenly, causing it to become very cold.
This cold refrigerant flows through evaporator coils inside the refrigerator. As it absorbs heat from the food and interior air, it evaporates back into a gas. The gas returns to the compressor, and the cycle repeats.
A thermostat monitors the interior temperature and switches the compressor on and off as needed. Fans may circulate cold air inside and move room air across the condenser coils. The insulation and door seals slow heat from entering, allowing the refrigerator to remain cold efficiently.
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