AZ ROC C-6 Swimming Pool Service And Repair Practice Questions - Arizona ROC C-6 Swimming Pool Service And Repair Examination Exam

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A standard commercial high-rate sand filter has a effective filter surface area of 3.14 square feet. If industry standards limit the maximum filtration flow rate to 15 GPM per square foot of filter area, what is the maximum allowable circulation pump flow rate through this filter?

31.4 GPM 47.1 GPM 62.8 GPM 78.5 GPM

Correct Answer:

47.1 GPM

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