What is the primary purpose for installing a lining on the inside of a vessel? a) b) c) d) Resist corrosion Improve heat transfer Improve fluid flow by decreasing the friction inside the vessel Minimized effort to clean vessel at future turnarounds Carbon Steel Copper Alloys Titanium _ _ _ Cooling Water Sea Water Most Common Material Shells constructed with multi-layers (a number of thin cylindrical sections) are normally used for vessels having: a) b) c) d) high design temperatures. rolling plate at either elevated or ambient temperatures. Vessel shell rings are normally made by: a) b) c) d) e) rolling plate at ambient temperatures. 50 psig.Įxternal pressure is usually caused by a vacuum or by using a _ vessel. Most pressure vessels are subjected to internal or external pressure that exceeds: a) b) c) d) 5 psig. We suggest that you do this study guide at least twice prior to the API exam. Its helpful to read a few pages of API 572 and then answer the questions associated with these pages. The questions in this study aid are in the same order as API 572. There will be some questions from Appendix A on the API exam. ![]() Note! The study guide does not at this time have any questions for API 572 Appendix A. So it is important that you become familiar with this content in your personal study sessions. We do not spend time in class discussing this publication. There will be about 15-25 questions from this document on the API 510 exam. API 572 Study GuidePractice QuestionsThis following is a study aid that you can use to learn the details and content of API RP-572, Inspection of Pressure Vessels.
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