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

Which statement about a standard mechanical joint on ductile-iron pipe is correct?

It can be used only above ground in pump rooms It requires a factory-welded retainer ring on every spigot It is a restrained joint and needs no thrust block or restrained length It is not a restrained joint and offers no practical resistance to joint separation from thrust

Correct Answer:

It is not a restrained joint and offers no practical resistance to joint separation from thrust

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