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2024 API 570 PRACTICE TEST EXAM WITH CORRECT ANSWERS
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2024 API 570 PRACTICE TEST EXAM WITH CORRECT ANSWERS
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2024 API 570 PRACTICE TESTEXAM WITH CORRECT ANSWERS
In severe refinery services which type of pipe is normally used? - CORRECT-
ANSWERSseamless
Pressure applied inside a pipe creates stress in the pipe wall. These stresses
are highest on which weld orientation? - CORRECT-ANSWERSlongitudinal
weld
Per B31.3, how much RT is conducted on circumferential welds of a pipe in
normal service. - CORRECT-ANSWERS10%
for welded pipe, the normal thickness of under-tolerance is? - CORRECT-
ANSWERS.010 or 10 mils
when qualifying a weld procedure the esential variables must: - CORRECT-
ANSWERSbe recorded on both the WPS & PQR
When fabricating pipe, unknown materials: - CORRECT-ANSWERSShould
never be used (except for door stops)
The material verification program specified by API 578 covers: - CORRECT-
ANSWERSonly pressure containing components.
what is the interval for thickness measurements on a class 1 piping system?
- CORRECT-ANSWERSlesser of 5 years or half life of the pipe
According to B31.3, a welder's qualification records from a previous
employer can: - CORRECT-ANSWERSBe accepted if the inspector approves
When welding together piping components of different thicknesses, the
thicker part should be trimmed with a: - CORRECT-ANSWERS30 degree taper.
When performing soil-to air inspections on uncoated lines, it is recommended
to excavate the soil: - CORRECT-ANSWERS6-12"
When performing preheat prior to welding, the preheat zone must extend
how far beyond the edge of the weld - CORRECT-ANSWERS1 inch
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