Api 570 study guide - Study guides, Class notes & Summaries

API 570 - Study Guide Questions and Answers 100% Pass Pressure applied inside a pipe creates stress in the pipe wall. These stresses are highest on which weld orientation? - ANSWER-longitudinal weld Per B31.3, how much RT is conducted on circumferential welds of a pipe in normal service? - ANSWER-10% for welded pipe, the normal thickness of mill-under-tolerance is? - ANSWER-.010 or 10 mils The corrosiveness of soils can be determined by measuring the soils: - ANSWER-Resistivity when qual...

Pressure applied inside a pipe creates stress in the pipe wall. These stresses are highest on which weld orientation? longitudinal weld Per B31.3, how much RT is conducted on circumferential welds of a pipe in normal service? 10% for welded pipe, the normal thickness of under-tolerance is? .010 or 10 mils The corrosiveness of soils can be determined by measuring the soils: Resistivity when qualifying a weld procedure the essential variables must: be recorded on both the WPS & PQR In seve...