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AZ ROC C-39 Air Conditioning And Refrigeration Practice Questions - Arizona ROC C-39 CR-39 R-39R Air Conditioning And Refrigeration Examination Exam

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A walk-in cooler operating on R-404A has a suction pressure of 58 psig (saturated evaporator temperature of 25°F). The measured suction line temperature 6 inches downstream of the evaporator bulb attachment point is 41°F. What is the operating evaporator superheat?
Correct Answer:
16°F

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