SC Water And Sewer Lines Practice Questions - South Carolina Water And Sewer Lines Contractor Examination Exam

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In ACPA acceptance testing of a concrete sewer, what is the difference between an infiltration test and an exfiltration test?

Infiltration measures groundwater leaking into the line; exfiltration measures water leaking out of a filled line Infiltration is an air test; exfiltration is a vacuum test Infiltration is used only on box culverts; exfiltration is used only on circular pipe There is no difference; the terms are interchangeable

Correct Answer:

Infiltration measures groundwater leaking into the line; exfiltration measures water leaking out of a filled line

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