VIP Exclusive
API 510 Pressure Vessel Inspector VIP Certification Exam — Series III
API 510 — The API 510 Pressure Vessel Inspection Code certification exam is issued by the American Petroleum Institute (API); the real exam consists of 150 multiple-choice questions with a 3.5-hour time limit and a 70% passing score, with open-book access to specified reference documents including API 510, ASME Section VIII Div. 1, ASME Section V, API 571, API RP 572, and API 576.
53
Questions
210m
Time Limit
70.00%
To Pass
Question 1 of 53👑 VIP
During an internal inspection of a propane dehydrogenation reactor, the inspector notices a pattern of subsurface cracking oriented parallel to the vessel wall near a nozzle weld. The cracking is predominantly along the base metal grain boundaries and is associated with hydrogen blistering. According to API 571, which damage mechanism is MOST consistent with these observations?
Questions 2–53 and full explanations are VIP-exclusive.