In a refrigeration system, the refrigerant enters the condenser as a

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Study for the NOCTI Heating, Ventilation, and Air Conditioning (HVAC) Test. Practice with flashcards and multiple choice questions, each question offers hints and explanations. Get ready for your exam!

Multiple Choice

In a refrigeration system, the refrigerant enters the condenser as a

Explanation:
In the refrigeration cycle, the compressor increases the refrigerant’s pressure and temperature, turning it into a high-pressure vapor. The condenser’s job is to reject heat and condense that vapor into a liquid. So the refrigerant entering the condenser must be in the vapor state and at high pressure. The other states don’t fit: low-pressure vapor would be upstream of the compressor, low-pressure liquid would have already expanded or cooled before compression, and high-pressure liquid would be the state after condensation, not before it.

In the refrigeration cycle, the compressor increases the refrigerant’s pressure and temperature, turning it into a high-pressure vapor. The condenser’s job is to reject heat and condense that vapor into a liquid. So the refrigerant entering the condenser must be in the vapor state and at high pressure. The other states don’t fit: low-pressure vapor would be upstream of the compressor, low-pressure liquid would have already expanded or cooled before compression, and high-pressure liquid would be the state after condensation, not before it.

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