SC Air Conditioning Practice Questions - South Carolina Air Conditioning Contractor Examination Exam

A direct-expansion (DX) air-conditioning system cools the airstream by:

Spraying condenser water into the supply duct Using only an evaporative cooler with no refrigerant Circulating chilled water through a coil that was cooled in a remote chiller Boiling refrigerant inside the indoor coil so the air gives up heat directly to the refrigerant

Correct Answer:

Boiling refrigerant inside the indoor coil so the air gives up heat directly to the refrigerant

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