AL Pipelines Practice Questions - Alabama Pipelines Contractor Examination Exam

What is the purpose of drying or dewatering a pipeline after hydrotest before commissioning gas service?

To remove residual water that could freeze, corrode, or contaminate the product To permanently remove all cathodic protection To eliminate the need for valves To increase soil surcharge on the trench

Correct Answer:

To remove residual water that could freeze, corrode, or contaminate the product

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