Question 1
A pool technician is calculating the volume of a rectangular swimming pool measuring 30 feet in length and 15 feet in width. The shallow end depth is 3 feet and the deep end depth is 9 feet, sloping uniformly. What is the total water volume of the pool in gallons?
Correct Answer:
20,250 gallons
Question 2
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?
Correct Answer:
47.1 GPM
Question 3
When recharging a 60-square-foot Diatomaceous Earth (DE) filter after backwashing, what is the standard recommended amount of DE powder to slurry and pre-coat onto the filter elements?
Correct Answer:
6.0 lbs to 9.0 lbs
Question 4
A technician is performing deep maintenance on heavily fouled cartridge filter elements covered in both organic oils and mineral scale. What is the correct order of chemical cleaning solutions to prevent permanently embedding scale into the fabric matrix?
Correct Answer:
Soak in degreasing solution first, rinse thoroughly, then soak in dilute muriatic acid solution
Question 5
A pool pump system reads a suction vacuum of 10 inches of mercury (in Hg) on the suction gauge and a discharge pressure of 20 pounds per square inch (PSI) on the filter pressure gauge. What is the Total Dynamic Head (TDH) of the circulation system in feet of head?
Correct Answer:
57.5 feet
Question 1
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Prepare with the AZ ROC C-6 Swimming Pool Service and Repair Practice Questions - Arizona ROC C-6 Swimming Pool Service and Repair Examination Exam practice quiz. This question bank includes 100 questions covering pool, water, filter, pump, and chlorine. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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

This practice set contains 100 questions from the matching question bank and focuses on pool, water, filter, pump, and chlorine. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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