SC Pressure And Process Piping Practice Questions - South Carolina Pressure And Process Piping Contractor Examination Exam

Where is orbital GTAW most often specified on process piping?

On high-purity, hygienic, or stainless lines that need a repeatable, fully purged autogenous or wire-fed butt weld On every large-bore buried carbon-steel steam main Only on cast-iron soil pipe hubs As a replacement for torqueing flange bolts

Correct Answer:

On high-purity, hygienic, or stainless lines that need a repeatable, fully purged autogenous or wire-fed butt weld

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