NV C-21A Refrigeration Practice Questions - Nevada C-21A Refrigeration Contractor Examination Exam

What is the evaporator's job in a 0°F walk-in freezer?

Absorb heat from the box air so the refrigerant vaporizes Reject heat to outdoor air and condense the refrigerant Raise refrigerant pressure without changing enthalpy Store unused liquid refrigerant for winter head pressure

Correct Answer:

Absorb heat from the box air so the refrigerant vaporizes

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