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Api 510-closed-1
 

Api 510-closed-1

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    Api 510-closed-1 Api 510-closed-1 Document Transcript

    • API-510-CLOSED-11. The gamma ray radiography has maximum density of:a. 2.0 HDb. 4.0 HDc. No upper limit is prescribedd. Depends on the viewed2. A re-rating of a vessel is not completed till the new name plate fixing is overseen bya. Jurisdictionb. Authorized inspectorc. Pressure vessel engineerd. Insurance surveyor3. The filler metal used should have minimum specified tensile strength equal to or greaterthan the minimum specified tensile strength of the base metal. If a filler metal is used that hasa minimum specified tensile strength lower than the minimum specified tensile strength of thebase metala. Lower strength electrodes are not permitted for repair weldingb. Maximum 50% of thickness can be repaired using such electrodesc. Increase weld deposit thickness suitably to compensate the lower strengthd. B & C4. The greatest time between the testing of pressure relieving devices per API 510?a. 5 yearsb. Pressure relief valves shall be tested at intervals that are frequent enough to verify that thevalves perform reliably.c. 10 years.d. Pressure relief devices must be tested at every shutdown5. If you were looking for the last date that a pressure relief valve was set, where should thisinformation always be?a. In the product literature from the valve company.b. The API 510 mandatory computer inspection records.c. Relief valves tag.d. In the records of the repair shop.
    • 6. Which of the following should a progressive record for a pressure vessel contain?a. The exact location on a plot plan.b. The piping schedule for the vessel.c. A complete weld map from the original construction plans.d. Construction and design information, operating and inspection history.7. If performing an external inspection of a vessel what consideration need be given theexternal insulation?a. It shall always be removed to inspect underneath.b. If insulation is in good condition and the vessel operates within the high and lowtemperatures stated in API 510, removal of insulation is not necessary for inspection of thevessel.c. Selected portions must be removed for inspections.d. You may not use any plug locations used for UT thickness reading to inspect the vessel.8. What must be considered important in the inspection of a metallic-lining?a. That there are no dissimilar welds.b. That the linings made of pure alloy only.c. That vent holes exist in all liners.d. That there are no holes or cracks present in the lining.9. What do construction codes mean, as it regards repairs to a pressure vessel?a. The current ASME Code edition.b. The NBICc. The Code the vessel was constructed to, including non standard and jurisdictional specialvessels.d. The API 510 Code.10. Which of the following over pressure protection is not found on a pressure vessel?a. Safety Reliefb. Pilot Operatedc. Rupture Diskd. Pressure / Vacuum Vent
    • 11. The report for qualifying a welder is:a. Safety Reliefb. Piolet Operatedc. Rupture Discd. Pressure/Vacuum Vent12. Charpy impact tests are intended to prove that a material is:a. Tough at the desired MDMT of the vessel to be constructed using that material.b. Some what prone td brittle fracture.c. Acceptable for use in high temperature service.d. Not required to be heat treated.13. According to Section IX, all welders must be re-tested for a process:a. If they have not been tested before.b. If they have not used the process in the past 1 month or longer and have not been weldingwith other processes.c. If they have not used the process for the past 3 months or longerd. If the welders ability to make sounds welds with process is in doubt.14. Which of the following describes a type/s of rupture disks?a. Multiple layer of graphite impregnated fibersb. Various metals - usually flat except steelc. Impervious graphite, un-bulgedd. Various metals, usually pre-bulged or impervious graphite, usually flat.15. Which of the following describes a lamination in metal plate?a. Laminations usually represent large cavities.b. Laminations are present only on the edges of plate.c. Laminations run at a slant or parallel to the plate surface.d. Laminations run normal to the plate surface.16. You are inspecting a failure in a Carbon Steel vessel wall, what conditions would you lookfor if it was believed that the fracture was a brittle one?a. There is almost a no lack of ductility.b. The fractured surfaces has a smooth surfacec. The material might be a thin gauge material, and working at elevated temperatured. There is an almost complete lack of ductility and the material might have been working at
    • low temperature.17. A bulged metal rupture disk with the pressure on the concave side has life expectancy of:a. 5 yearsb. 2 yearsc. 1 yeard. Indefinite length till it ruptures18. For same bursting pressure of the disc, higher operating pressures are possible with arupture disk of the type in which, the pressure acts on:a. Concave sideb. Convex side (Reverse buckling)c. Flat typed. Operating pressures for all above will be same19. When a crack is discovered in a vessel that is in a highly stressed area. What actionshould you recommend be considered as a first step in any effort to correct the flaw?a. Using an insert patchb. Removing the crack by grinding and inspect using an NDEprocedure before repair.c. Call in a pressure vessel engineer.d. Design an overlay patch that has rounded corners20. When looking for surface cracks in a vessel made of ferrous material which of thefollowing is the most capable of detection?a. Fluorescent penetrant methodb. Visible Color contrast penetrant methodc. Radiographyd. Close visual Inspection with good lighting.
    • API-510-CLOSED-11. A ASME Sec. V, T-282.12. B API 510, 7.3-e3. D API 510, 7.2.114. C API 510, 6.65. C API 576 6.2.26. D API 510, 6.77. B API 510, 6.38. D API 572, 10.4.59. C API 510, 1.110. D API 576, 4.8.111. C ASME IX, QW-300.312. A ASME VIII, UG-84, Definition of Charpy (Notch Toughness)13. D ASME IX, QW-322.114. D API576, 4.9.1, 4.9.515. C API 572 10.4.416. D IRE CHAPTER II, 205.0117. C API 576, 4.9.318. C API 576, 4.9.319. C API 510, 7.1.320. A Basic Knowledge of PT
    • API-510-CLOSED-11. A ASME Sec. V, T-282.12. B API 510, 7.3-e3. D API 510, 7.2.114. C API 510, 6.65. C API 576 6.2.26. D API 510, 6.77. B API 510, 6.38. D API 572, 10.4.59. C API 510, 1.110. D API 576, 4.8.111. C ASME IX, QW-300.312. A ASME VIII, UG-84, Definition of Charpy (Notch Toughness)13. D ASME IX, QW-322.114. D API576, 4.9.1, 4.9.515. C API 572 10.4.416. D IRE CHAPTER II, 205.0117. C API 576, 4.9.318. C API 576, 4.9.319. C API 510, 7.1.320. A Basic Knowledge of PT