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Refrigeration cycle

A water cooled liquid chiller (photo) performs which function in the refrigeration cycle for HVAC systems?
A. thermal expansion valve, reducing pressure from the refrigerant's liquid state
B. condenser cooling hot refrigerant with ambient air
C. heat exchanger for liquid to cool air or equipment
D. removes heat from liquid by vapor-compression or absorption refrigeration

AnswerD. removes heat from liquid by vapor-compression or absorption refrigeration. Industrial chillers may combine the chiller unit, condenser, pump station and expansion valve into a packaged unit.
ARE 4.0 exam prep: BS

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