API API-570 Practice Exams
Last updated on Oct 22,2026- Exam Code: API-570
- Exam Name: Piping Inspector
- Certification Provider: API
- Latest update: Oct 22,2026
When a welder has not welded with a process during a period of, his qualifications for that process shall expire
- A . 3 months or more
- B . 6 months or more
- C . 9 months or more
- D . 12 months or more
The three well-known methods of determining soil resistivity are, soil bar, soil box and______.
- A . A-C Bridge
- B . six pin method
- C . holiday pipe survey
- D . Wenner (4-pin) method
The weld ripples of reinforcement of butt-welded joints shall be before radiography.
- A . removed
- B . ground flush, with grinding direction parallel to the weld
- C . ground flush, with grinding direction perpendicular to the weld
- D . removed if irregularities mask discontinuities
Is the attached PQR properly qualified?
- A . No, because RT is not allowed during PQR qualification
- B . No, because there are not enough tensile tests
- C . No, because peening is allowed by ASME B31.3
- D . Yes
When testing cast iron pipe which of the following methods should not be used?
- A . Radiographic test
- B . Leak test
- C . Ultrasonic test
- D . Hammer test
What is the root face limitation as listed on the attached WPS and PQR
- A . 3/32”
- B . 1/8”
- C . No limit
- D . Not designated
Hammer testing of piping is a common practice. However, which of the following should never be hammered?
- A . Cast iron piping
- B . Caustic piping
- C . All welded piping
- D . Both A and B
Hammer testing of piping is a common practice. However, which of the following should never be hammered?
- A . Cast iron piping
- B . Caustic piping
- C . All welded piping
- D . Both A and B
The potential for personnel exposure is deemed to be significant in which fluid service?
- A . Category M fluid service
- B . High pressure fluid service
- C . Normal fluid service
- D . Category B fluid service
What does the acronym MAWP refer to?
- A . Maximum internal pressure permitted in the piping system
- B . Minimum internal pressure permitted in the piping system
- C . Maximum external pressure permitted in the piping system
- D . Maximum external stress permitted in the piping system