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Condensing temperature comparison: water-cooled versus air-cooled condenser For similar load and ambient conditions, a water-cooled condenser typically operates at what relative condensing temperature compared to an air-cooled condenser? Choose the correct relation.

Difficulty: Easy

Correct Answer: Lower condensing temperature

Explanation:

Concept/Approach
Water has higher heat-transfer coefficients and can be supplied cooler than ambient air (via cooling towers or mains), so the condenser saturation temperature (and pressure) can be reduced.


Implication
Lower condensing temperature reduces compressor work and improves system COP.


Final Answer
Lower condensing temperature

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