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← ScienceWhich outcome occurs when a refrigerant compressor undergoes excessive cycling?
A)Reduced overall system efficiency.✓
B)The condenser coil sub-cooling increases.
C)Evaporator capacity significantly increases
D)Superheat at the evaporator decreases
💡 Explanation
Repeated on/off triggers short-cycling, interrupting the vapor-compression refrigeration, which reduces efficient heat pump performance; short cycling wastes energy because the system fails to reach the compressor nominal operating temperature before shutting down, and therefore doesn't transfer heat efficiently, rather than a stable, longer cooling mode.
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