AZ ROC A-16 Waterworks Practice Questions - Arizona ROC A-16 Waterworks (Commercial) Examination Exam

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When assembling a push-on joint for Ductile Iron Pipe (DIP) in a water distribution main per AWWA C600, which procedure is required to ensure a watertight seal without damaging the rubber gasket?

Clean the socket and gasket groove, apply approved non-toxic vegetable lubricant to the spigot and gasket, and align pipe before pushing home Apply petroleum-based grease liberally to the gasket and spigot end Heat the bell end with a propane torch to expand the socket prior to inserting the spigot Drive the spigot home using a backhoe bucket directly against the pipe bell without alignment

Correct Answer:

Clean the socket and gasket groove, apply approved non-toxic vegetable lubricant to the spigot and gasket, and align pipe before pushing home

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