API 570 practice test; Questions & Answers 100% Correct
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Course
API 570
Institution
API 570
API 570 practice test; Questions & Answers
100% Correct
In severe refinery services which type of pipe is normally used? Answerseamless
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, ho...
API 570 practice test; Questions & Answers
100% Correct
In severe refinery services which type of pipe is normally used? Answer-
seamless
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 under-tolerance is? Answer-.010
or 10 mils
when qualifying a weld procedure the esential variables must: Answer-be
recorded on both the WPS & PQR
a pipe has a thickness designation of "40S". what does the "S" mean?
Answer-stainless steel
, API 570 practice test; Questions & Answers
100% Correct
Generally socket-welded pipe is not used for nominal pipe sizes above:
Answer-2 inches
A propane piping system should be classified as? Answer-Class 1
According to ASME/ANSI B16.5 flanges from plate materials can only be used
for: Answer-Blind flanges
The corrosiveness of soils can be determined by measuring the soils:
Answer-Resistivity
Preheat should never be substituted for PWHT if: Answer-The PWHT was
designed to prevent environmental cracking
During welding, non-esential variables: Answer-Must be recorded only on
the WPS and must be followed by the welder.
During a hydrotest, all joints should be: Answer-left uninsulated
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