API 570 practice test with Questions & Answers| Pass Guaranteed
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Course
API 570
Institution
API 570
Describe the 3G welding test position. - Vertical groove
Seal welding pipe threads: - may be used to prevent leaks
Liquid thermal relief valves should be set at a pressure not higher than: - 120 %
When fabricating pipe, unknown materials: - Should never be used (except for door stops
API 570 practice test with
Questions & Answers| Pass
Guaranteed
Describe the 3G welding test position. - ✔✔Vertical groove
Seal welding pipe threads: - ✔✔may be used to prevent leaks
Liquid thermal relief valves should be set at a pressure not higher than: - ✔✔120 %
When fabricating pipe, unknown materials: - ✔✔Should never be used (except for door stops)
The material verification program specified by API 578 covers: - ✔✔only pressure
containing components.
what is the interval for thickness measurements on a class 1 piping system? - ✔✔lesser of 5 years
or half life of the pipe
According to B31.3, a welder's qualification records from a previous employer can: - ✔✔Be
accepted if the inspector approves
When welding together piping components of different thicknesses, the thicker part should be trimmed
with a: - ✔✔30 degree taper.
When performing soil-to air inspections on uncoated lines, it is recommended to excavate the soil: -
✔✔6-12"
When performing preheat prior to welding, the preheat zone must extend how far beyond the edge
of the weld - ✔✔1 inch
, Flange bolts are unacceptable if the bolt threads do not extend. - ✔✔inside the nut within 1 thread
of the nut face
Carbon steel materials are most likely to be incorrectly substituted in. - ✔✔a chrome steel piping
system.
Per B31.3 how much of the fabrication should be visually examined for a pipe in severe cyclic service: -
✔✔100 %
When calibrating a UT instrument, that has a delay line with single element unit, use: - ✔✔At least
2 test blocks with thicknesses near the max and min. to be examined.
During an API 570 pipe repairs, which welding discontinuity is always unacceptable? - ✔✔Cracks
and Inadequate fusion
What do you call a groove in the parent metal at the toe of a weld? - ✔✔undercut
The RT procedure used for a pipe repair must conform to the requirements of: - ✔✔Sec 5
What is the minimum holding time for all pressure tests on piping? - ✔✔10 mins
When a relief device or valve is removed for repair, the inspector should: - ✔✔inspect the inside
of the inlet and outlet piping where the valve was removed.
Thickness measurements are suggested at pipefittings since: - ✔✔directional changes
generally create increased turbulence.
Flange leaks in certain fluids can cause: - ✔✔bolts to crack and corrode
Heat Tracing could cause cracking in carbon steel piping which is in: - ✔✔Caustic service
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