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

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For isolation of indoor plant process piping, which valve type is most commonly selected when a visible rising stem and a tight shutoff are required?

A swing check valve installed on its side A resilient-seated gate valve or similar isolation valve as specified An air-release valve at a low point A flap gate used as a shutoff on a pressure main

Correct Answer:

A resilient-seated gate valve or similar isolation valve as specified

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