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SC Refrigeration Practice Questions - South Carolina Refrigeration Contractor Examination Exam

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A 3/8-inch ACR liquid line holds approximately 0.50 oz of liquid refrigerant per foot. If a condensing-unit nameplate charge already includes 25 ft of line set and the installed liquid line is 55 ft, how much extra refrigerant is required for the liquid line alone?
Correct Answer:
15 oz

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