NV A General Engineering Practice Questions - Nevada A General Engineering Contractor Examination Exam

In corrosive soils, DIPRA practice protects buried ductile-iron pipe with which method?

Coal-tar enamel only on the joints Loose polyethylene encasement (AWWA C105) A 6-inch concrete cap over the pipe Zinc paint on the interior lining

Correct Answer:

Loose polyethylene encasement (AWWA C105)

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