GPT on Question 7, Sep 27
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 refrigerant first enters the evaporator coils inside the refrigerator at low pressure. There, it absorbs heat from the food and air, causing it 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. It releases heat into the room and condenses into a liquid. The liquid then passes through an expansion valve or narrow tube, which sharply lowers its pressure and temperature. It returns to the evaporator, and the cycle repeats.
A thermostat monitors the interior temperature and switches the compressor on and off as needed. Insulation and tight door seals slow the flow of outside heat into the refrigerator, allowing the interior to remain cold.
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