In a water cooled condenser, the refrigerant condensing temperature should be what temperature higher than the leaving water temperature?

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In a water-cooled condenser, the refrigerant's condensing temperature is typically maintained a specific number of degrees higher than the leaving water temperature to ensure efficient heat exchange. The correct answer of 10 Degrees F reflects a commonly accepted practice in HVAC design.

This temperature difference allows for effective heat transfer from the refrigerant to the water, ensuring that the refrigerant condenses properly as it releases its heat. If the difference were too small, the condenser might not perform effectively, leading to inefficient operation or even potential system failure.

A range of 5, 15, or 20 degrees would either not provide enough efficiency or risk overheating and reduced performance. Thus, a 10 Degrees F difference strikes an effective balance between efficient heat transfer and reliable operation within a standard range for most water-cooled condensers.