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

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A chrome-moly steam-pipe WPS lists a maximum interpass temperature of 600°F. What should the welder do if a contact pyrometer reads 650°F after the last fill pass?

Continue welding immediately so the heat is not wasted Stop depositing weld metal and allow the joint to cool below the maximum interpass before the next pass Quench the joint with water so work can resume in a few seconds Ignore the reading because interpass limits apply only to the root pass

Correct Answer:

Stop depositing weld metal and allow the joint to cool below the maximum interpass before the next pass

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