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

On small-bore, low-pressure Category D water where the spec allows threads On cyclic, vibrating, corrosive, or high-temperature/high-pressure services where leak tightness and fatigue resistance matter On instrument air takeoffs specifically listed as threaded in the line class On NPS 1/2 drain connections that the owner has accepted as threaded