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← ScienceWhich inefficiency arises when a refrigeration cycle operates outside design parameters?
A)Superheating decreases coefficient of performance✓
B)Subcooling decreases volumetric efficiency
C)Condenser delays damage evaporator coil
D)Expansion increases energy input demand
💡 Explanation
Superheating increases the temperature and therefore the entropy of the refrigerant vapor entering the compressor due to irreversible heat additions. This reduces the refrigeration cycle efficiency because the compressor must work harder on the superheated gas, rather than the desired saturated vapor.
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