GPT on Question 7, Sep 14
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 cold coil 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 before it returns to the evaporator.
This cycle repeats whenever a thermostat detects that the interior is too warm. Insulation slows heat from entering, while fans in many models circulate cold air and help maintain an even temperature. A refrigerator therefore does not create cold; it removes heat from its interior and releases that heat into the room.
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