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Which outcome occurs when heat input exceeds vapor compression chiller capacity?

A)Refrigerant subcooling temperature will decrease
B)Compressor motor overheating is more likely
C)Evaporator coil capacity increases significantly
D)Coefficient of performance (COP) improves abruptly

💡 Explanation

Compressor motor overheating becomes likely as the heat overload increases the refrigerant pressure and temperature beyond design limits; therefore, the motor must work harder, rather than improve COP; this exceeds cooling capacity via the vapor-compression cycle creating increased heat load.

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