Exam (elaborations)
API 570 PRACTICE TEST QUESTIONS
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API 570 PRACTICE TEST QUESTIONS
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API 570PRACTICE TEST
QUESTIONS
In severe refinery services which type of pipe is normally used? - Answers-seamless
Pressure applied inside a pipe creates stress in the pipe wall. These stresses are
highest on which weld orientation? - Answers-longitudinal weld
Per B31.3, how much RT is conducted on circumferential welds of a pipe in normal
service. - Answers-10%
for welded pipe, the normal thickness of under-tolerance is? - Answers-.010 or 10 mils
when qualifying a weld procedure the esential variables must: - Answers-be recorded on
both the WPS & PQR
a pipe has a thickness designation of "40S". what does the "S" mean? - Answers-
stainless steel
Generally socket-welded pipe is not used for nominal pipe sizes above: - Answers-2
inches
A propane piping system should be classified as? - Answers-Class 1
According to ASME/ANSI B16.5 flanges from plate materials can only be used for: -
Answers-Blind flanges
The corrosiveness of soils can be determined by measuring the soils: - Answers-
Resistivity
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