In a vapour compression refrigeration system, the highest temperature in the cycle occurs .
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A.
before the capillary tube
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B.
after compression
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C.
after the capillary tube
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D.
after evaporation
Correct Answer:
B. after compression
Explanation:
In a vapor compression refrigeration cycle, the highest temperature is reached immediately after the compression stage. During this process, the compressor takes in low-pressure, low-temperature refrigerant vapor and applies mechanical work to significantly increase its pressure. According to thermodynamic principles, this rapid compression causes a substantial rise in the vapor's temperature, often resulting in superheated gas. This hot, high-pressure refrigerant then exits the compressor and flows into the condenser to release heat to the environment.
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