AZ ROC A (KA) Dual Engineering Practice Questions - Arizona ROC A (KA) Dual Engineering Examination Exam

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What is the primary engineering purpose of installing a hydrostatic relief valve in the floor sump of an in-ground concrete swimming pool?

To equalize external hydrostatic groundwater pressure under the shell and prevent pool flotation during dewatering To relieve internal hydraulic pressure generated by high-head filtration pumps To purge trapped air pockets from the main suction line during pump priming To automatically drain overflow water when rainwater exceeds the pool skimmer level

Correct Answer:

To equalize external hydrostatic groundwater pressure under the shell and prevent pool flotation during dewatering

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