API 510 Final Exam #1.pdf

GoDEWEST API 510 EXAM PREP 1. COURSE I FINAL EXAM #1 SE-7g7 is used as the guideline for UT contact pulse-echo method at temperatures not to exceed? 1. 2. 3. 4. 2. 1. 850 2. 719 3. 1464 1730 1. 25, 50 2. 10,25 5,25 2, 15 4. Which of the following is not an alteration? 1. 2. 3. 4. S. ohms or A ground...

GoDEWEST API 510 EXAM PREP 1. COURSE I FINAL EXAM #1 SE-7g7 is used as the guideline for UT contact pulse-echo method at temperatures not to exceed? 1. 2. 3. 4. 2. 1. 850 2. 719 3. 1464 1730 1. 25, 50 2. 10,25 5,25 2, 15 4. Which of the following is not an alteration? 1. 2. 3. 4. S. ohms or A grounding connection on a vessel should have a recommended resistance of ohms. less and the resistance is not to exceed 3. 4. 5000F 1000F vessel is to be pneumatically tested in accordance with the ASME Code. The MAWP A pressure 'OS+ psi. So = 8600 psi and St = 17500 psi. What is the minimum required test pressure? is 4. 3. 4000F 2000F Replacement of an unreinforced small opening with an NPS 6 opening. Rerating where impact tests are required. Replacement of a NPS 12 Sched 80 opening with a NPS 12 Sched 40 opening. lnstallation of a NPS 6 opening in a vessel which has all other openings less than NPS 6. What is the recommended maximum inspection interval for a pressure-relieving device in a typical process service? 1. 2. 6. 3. 15 years. 10 years, 5 years. 4. 20 years. Who is responsible for maintaining WPQ's? 1. 2. 3. 4. 7. Owner Repair organization lnspector Pressure Vessel Engineer lf the probable corrosion rate cannot be determined by data collected by the owner or from published data what method would apply? 1. 2. 3. 4. On-stream determinations using actual NDE thickness readings after 10 weeks of service Estimations of thickness loss after 6 weeks of service On-stream determinations using actual NDE thickness readings after 42 days of service On-stream determination of thickness after 3 to 6 months of service COPYRIGHT O 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS ,l DOCUMENT I _ 99yty_l::_yl?19_Elry :y1"" "99:t9! B. 13- 1. 2. 3. 4. 0 to300oF 10 to 3500F 24 to 2500F 125 to 2500F 3.50 years 30.12 years 10 years 2 years Performance in service Number of times valve has opened What type service valve operates in None of the above lncrease the inspection frequency on the one CML Assign more CML's to bottom head, shell and nozzles Repair all the areas found corroded Nothing You have a pressure vessel that is 2.5 in. thick. The vessel is to be hydrostatically tested. Per Apl 5'10, what temperature increase above the MDMT should be applied to avoid britfle failure? 400F 10F 200F 300F What must an organization that tests and repairs pressure relief devices have? 1. 2. 3. 4. 15. to 7000F to 10000F to 1 1000F to 7000F You have a vessel with only one CML and localized corrosion is found in bottom head, shell and nozzles. What would you do? 1. 2. 3. 4. 14. 3500F 7500F 6500F 5000F How is the inspection interval for pressure relief devices determined? 1. 2. 3. 4. 12. _ A pressure vessel has a minimum thickness of 0.680 in. and an actual measured thickness of 0.75 in. lf the corrosion rate is 0.02 in. what is the next inspection interval? 1. 2. 3. 4. 11. t1 At what temperature range is CUI expected for carbon steel pressure vessels per API 510? 1. 2. 3. 4. 10' tyLl- Fjty Temper embrittlement occurs in what temperature range? 1. 2. 3. 4. 9. ! Quality control system Steam boiler for testing safety valves Quality assurance system NB-23 (NB|C) What is the record retention requirement for permanent records? 1. 2. 3. 4. 5 years Service life of vessel As required by the jurisdiction As required by the owner COPYRIGHT @ 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS 2 DOCUMENT I coDEwEST API 510 EXAM PREP COURSE 16. Additional Corrosion allowance Avoid regulatory requirements Outgassing weld metal Hardening of the weld metal due to grinding or arc gouging PWHT to reduce mechanical properties Outgassing base metal 1986 1968 1999 1957 Actively engaged over the most recent 3 year certification period is defined as which of the following? 1. 2. 3. 4. 23. Design for alterations Avoid Heat Treatment What is the earliest edition of the ASME Code that a vessel was designed to that can take advantage of higher allowable stress values for rerating? 1. 2. 3. 4. 22. lnspector Pressure Vessel Engineer and Jurisdiction Pressure Vessel Engineer Both 1 and 3 For a pressure vessel in hydrogen service which factor does the Pressure Vessel Engineer consider when repairing stainless steel weld overlay? 1. 2. 3. 4. 21. lnspector Derating below the original design conditions is a permissible way to provide? 1. 2. 3. 4. 20. Repair organization Refinery Jurisdiction Who is responsible to review the application and develop procedures for the local PWHT method? 1. 2. 3. 4. 19. Owner Pressure Vessel Engineer lnspector lnspector and Pressure Vessel Engineer Who is responsible to qualify welding procedures and welders? 1. 2. 3. 4. 18. FINAL EXAM #1 When repairs are to be made to a Section Vlll, Division 1 pressure vessel who authorizes them? 1. 2. 3. 4. 17. I A minimum of 15% of time performing inspections lnspection of 74 pressure vessels lnspection of 50 pressure vessels A minimum of 20% of time performing inspections Which of the following isiare tasks performed during welding operations. 1. 2. 3. 4. Quality assurance Welding parameters Weldment examination All the above COPYRIGHT O 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS 3 DOCUMENT I CoDEWEST API 510 EXAM PREP 24. An area within An area within An area within An area within a a a a CML having a diameter CML having a diameter CML having a diameter CML having a diameter not not not not greater greater greater greater than 2 inches than 4 inches than 1 inches than 3 inches lnspector Engineer Corrosion Specialist lnspector and/or Engineer Outline drawings Manufacturer's Data Reports All new and previous thickness readings Design calculations When hammer testing, the proper striking force to be used for various jobs 1 2. 3. 4. 31. None of the above Which of the following progressive records shall be maintained? 1. 2. 3. 4. 30. 2120F and 3500F 25oF and 2500F 1100C and 1210C The inspection plan for an in-service pressure vessel shall be developed by? 1. 2. 3. 4. 29. Carbon steel Low-alloy steel Nickel base alloys Aluminum An examination point is best defined as: 1. 2. 3. 4. 28. Five to eight minutes at 68oF Fifteen minutes at72oF One hour at 66oF None of the above Corrosion under insulation (CUl) becomes more severe between what two temperatures. 1. 2. 3. 4. 27. FINAL EXAM #1 What material is more resistant to caustic stress corrosion cracking? 1. 2. 3. 4. 26. I Normal developing parameters for radiographic film are: 1. 2. 3. 4. 25. COURSE is: Listed in Figure 26 of ATRI RP 572. Available in ASNT SNT-TC-1A A 4 to 8 oz hammer delivering t.l4 foot lb to 1 12 foot lb blow. Learned only through experience During an inspection you find cracks in a metallic lining. What would you do? 1. 2. 3. 4. Repair liner Check base metal for damage using PT from lined surface Do nothing lnvestigate to ensure cracking does not extend into base metal COPYRIGHT O 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS 4 DOCUMENT I GODEWEST API 510 EXAM PREP 32. COURSE I FINAL EXAM #1 Who is responsible to assure that all individuals taking thickness readings are trained and qualified as applicable? 1. 2. 3. 4. 33. You are to perform an external inspection of a horizontal pressure vessel. Where would you start your inspection? 1. 2. 3. 4. 34. 30 years 19 years 9.5 years 3.0 years What type of pressure relief valve uses a control unit? 1. 2. 3. 4. 38. One or more One Two Three A pressure vessel was put in service in 2006 and the initial thickness reading was 0.500 in. The minimum required thickness is 0.375 in. lt is re-inspected in 2015 and a measured thickness of 0.405 in. is obtained. What is the remaining life of the vessel? 1. 2. 3. 4. 37. Loss of tension Corrosion Cracking None of the above When using SE-797 for measurement thickness how many reference blocks are required? 1. 2. 3. 4. 36. Bottom head and nozzles Skirt and foundation Foundations and foundation bolts Ladders, platforms and walkways What is the major cause of failure in springs of pressure relief devices? 1. 2. 3. 2. 35. Subcontract NDE firm. An engineer. The owner/user. The inspector. Pilot operated Balanced safety relief Safety Relief What is a prevention method to provide resistance to sulfidation? 1. 2. 3. 4. Operate below 7000F Upgrade to a higher chromium alloy Upgrade to a higher nickel alloy Any of the above COPYRIGHT @ 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS 5 DOCUMENT I GoDEWEST API 510 EXAM PREP 39. 2. 3. 4. 45. 1lB" None of the above with amine service. lean rich heavy normal Maintained in a engineering procedure document. Kept as a standard procedure. Contained in a quality assurance inspection/repair management system. ln hand and available at owner-user headquarters. lnspect the vessel internally and externally and determine the allowable conditions of service under the new owner. Nothing additional. Perform a hydrostatic test. Review the records of the previous inspection. Which of the following vessels is/are excluded from the specific requirements of API 510? 1. 2. 3. 4. Three cu. ft. in volume and 360 psi Five cu. ft. in volume and 22A psi One and one-half cu. ft. in volume and 700 psi 1&2 above Which of the following is a cause of a pressure-relieving devices improper performance? 1. 2. 3. 4. 46. 1t16" 3t32" lf the ownership of a vessel is changed what would you do? 1. 44. Design considerations lnspector opinion An owner-user is responsible for developing, documenting, implementing, executing, and assessing pressure vessel inspection systems and inspection procedures that will meet the requirements of API 510. These systems and procedures will be: 1. 2. 3. 4. 43. Material considerations Welding considerations Amine cracking is most often associated 1. 2. 3. 4. 42. FINAL EXAM #1 Guided-bend specimens shall have no open defects in the weld or heat effected zone exceeding measured in any direction on the convex surface of the specimen after bending. 1. 2. 3. 4. 41. I The primary difference between an alteration and a repair is: 1. 2. 3. 4. 40. GOURSE Corrosion. lmproper pressure setting Damaged seating surfaces All the above What is the definition of ductility? 1. 2. 3. 4. Ability of a material to deform plastically without fracturing Ability of a material to deform plastically before fracturing Ability of a material to resist deformation None of the above COPYRIGHT O 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS 6 DOCUMENT I coDEwEST API 510 EXAM PREP COURSE 47. FINAL EXAM #1 When local PWHT is substituted for 360 degree banding on local repairs, what minimum preheat must be maintained during welding? 1. 2. 3. 4. 48. I 2000F 2500F 4000F 3000F lf external coverings, such as insulation, refractory protective linings, and corrosion resistant linings are in good condition and there is no reason to suspect that an unsafe condition is behind them: 1. 2. 3. 4. 49. Some jurisdictions require that welded repairs and alterations be done by an organization possessing alan: 1. 2. 3. 4. 50.. 2. 3. 4. 3-6months 1 month 1 year Not included in lncluded in Partially exempt from Not normally in Thickness measurement instruments are divided into three groups. One of these is: 1. 2. 3. 4. 53. 't000 hours The Alternative Rules for Exploration and Production Pressure Vessels in API 5'10 are the API 510 lnspectors Examination Program? 1. 2. 3. 4. 52. U Designator U-2 stamp R stamp S stamp lf a probable corrosion rate cannot be determined from reviewing data from the same or similar service vessels or estimated form published data, on-stream determinations shall be made after approximately of service by using NDE methods and a corrosion rate is established. 1 51. lt is not necessary to remove them for inspection. It is necessary to remove them completely for inspection. lt is necessary to partially remove them for inspection. lt is required to remove them completely for inspection on some set interval. Flaw detectors without A scan readout Flaw detectors with A scan readout Pulse-echo instruments Flaw detectors A pH value of 9 is measured in a process stream. This indicates that the stream 1. 2. 3. 4. is: Chlorine rich Neutral Acidic Alkaline COPYRIGHT O 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS 7 DOCUMENT I CoDEWEST API 510 EXAM PREP 54. 1. 50ft 2. 25 ft. 60 ft 10% 3. FTNAL EXAM #1 Under what conditions is an internal field inspection of a newly installed pressure vessel waived? 1. 2. 3. 4. 56 I For spot radiography, one spot (for each welder) shall be examined on each vessel for each of weld increment. 4. 55. GOURSE The contractor installing the vessel assures the owner-user that the vessel is satisfactory for its intended service. A manufacturers data report is available assuring the vessel is satisfactory for its intended service. The owner-user assures the inspector that the vessel is satisfactory for its intended service. The manufacturer orally assures the owner-user that the vessel is satisfactory for its intended service. A pressure test is to be performed on a vessel where brittle fracture considerations are relevant. The thickness of the vessel is 4 in. and the MDMT for the vessel is 1000F. What metal test temperature would you recommend? 1. 2. 3. 4. 57. During the heating and cooling periods, the furnace atmosphere shall be controlled as to avoid 1. 2. 3. 4. 58. 59 1200F 300F 1 000F 1 100F 1 Excessive Excessive Excessive Excessive corrosion bending stress oxidation When a tensile specimen breaks in the base metal outside of the weld or fusion line, the strength recorded may be below the specified tensile and be accepted. 1. 3.5% 2. 3..5% 5% 4. All of the above Long term corrosion rate is defined as: 1. 2. 3. 4. tactuat-tast tprevious - ttast - tactuat None of the above tprevious COPYRIGHT @ 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS 8 DOCUMENT I GODEWEST API 510 EXAM PREP 60. An example of an examiner for API 510 applications 1. 2. 3. 4. 61. Thickness Maximum design temperature Maximum design pressure Allowable stress 5% - 10% 15o/, - 32o/o 30% -60% 25o/o - 38oh tiniti"r is. Minimum nominal thickness in inches for a given location or component Actual thickness in inches for a given location or component Thickness in inches for a given location or component Thickness in inches at the commencement of a new corrosion rate environment Nozzles and manways. Top and bottom heads. lnsulation of failed caulking. All the above A pressure vessel has been inservice for 12 years and has shown a history of corrosion over its service life. The original thickness was 1.937 inch thickness and the present thickness is 1.405 in. What is the corrosion rate for this vessel? 1. 2. 3. 4. 66. properly trained. All of the above Which of the following is/are susceptible locations of CUI? 1. 2. 3. 4. 65. is: A Level ll SNT-TC-1A qualified individual who is working for a contractor An engineer who has been trained to perform NDE but does not evaluate the results A person who assists the API lnspector by performing specific NDE and has been The definition of 1. 2. 3. 4. 64. FINAL EXAM #1 Austenitic stainless steels typically contain chromium between: 1. 2. 3 4. 63. I Unless othenruise exempted, impact testing is required for a combination of MDMT and 1. 2. 3. 4. 62. COURSE 0.440 0.010 0.088 0.044 inlyr in/yr in/yr inlyr Who is responsible for the isolation of a pressure relief device that is to be removed for inspection? 1. 2. 3. 4. Pressure vessel engineer Authorized person Maintenance supervisor Any maintenance mechanic 67. Changes in a pressure vessel in which the MDMT is decreased is called alan: 1. 2. 3. 4. Repair Design change Rerating Reclassification COPYRIGHT O 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS I DOCUMENT I 99PJ_y_E?: 68. - Acceptable Rejectable Sometimes rejectable None of the above - 100F 300 F -300F 100 F When radiographing welds what is the essential hole for a source side hole type lQl? 1. 1. 2. 4. 71. -l)!aly!y!1 A pressure vessel whose thickness is less than 2 inches has a MDMT of - 200 F. Per API 510 what is the minimum pneumatic pressure test temperature permitted? Note: API 510 pneumatic tests must meet all requirements of ASME Sec. Vlll Div. 1. 1. 2. 3. 4. 70. s1[_Elyfi:rEl 99y-r95 --t- A light image of the "8" on a darker background is 1. 2. 3. 4. 69. ly 1T Smaller hole in thinner lQl Larger hole in thicker lQl 2T When determining the next internal or on-stream inspection interval and a multi-zone analysis approach is used which of the following is correct? 1. 2. 3. 4. 72. Certification of contaminants shall be obtained for all PT materials used on 1. 2. 3. 4. 73. Carbon steels Ferritic stainless steels Austenitic stainless steels Copper Vessels containing amines are subject to cracks in welds. Which of the following would you use as the best inspection method for surface indications? 1. 2. 3. 4. 74. The zone with the longest remaining life shall be used. The zone with the shortest remaining life shall be used. Each zone is calculated independently of the other. None of the above is correct. Visible dye liquid penetrant Visual Wet fluorescent magnetic particle UT Where are location markers placed if they are to appear as a radiographic image? 1. 2. 3. 4. On On On On the part to be radiographed the film in the dark room the lQl's top side over the "2T" hole the top of the film in the center 75. ln Crude Units, where would an inspector expect to find HCI corrosion? 1. 2. 3. 4. ln the atmospheric tower overhead system and in the vacuum ejector system of the vacuum tower. ln the heater pipe lines to the atmospheric and the vacuum heaters. ln the desalter system and the related piping to the unit. ln all the tower overheads in the gas recovery towers of the unit. COPYRIGHT @ 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS 10 DOCUMENT I 9 gD-:Fy-l!-15:-9 Fr "AM l.E: 9-y-9F* P ! f l l l I FIl y t 1 76. The Inspector and/or Engineer when developing inspection plans should consult with 1. 2. 3. 4. 77. ---- when needed: A corrosion specialist.. An API 510 inspector with a degree in metallurgy. An engineer with a degree in fracture analysis. A 4 year degreed metallurgist. A carbon steel P-No. 1 vessel 314 in. thick must be repaired by welding in a flush patch (replacing a corroded area). The vessel is in caustic service and was originally fully heat treated. Which of the following is would be required? 1. The engineer should consider full heat treatment of the completed repair arca because of the potential in-service cracking from the environment. The repair may be pre-heated to 200 degrees F. while welding and PWHT waived. The repair may be made by using the SAW welding process. The repair may be made using a 300 degree interpass temperature.. 2. 3. 4. 78. Using the following description, pick the type pressure-relieving device from the list. They are used in refinery process industries for gas, vapor, air or liquids. They can be used in corrosive refinery service. They minimize the effects of back pressure on its operation characteristics. They should not be used as pressure control or bypass valves. 1. 2. 3. 4. 79. Safety Valve. Balanced Safety Relief Valve. Relief Valve. Rupture Disk. When can preheat at 3000 F in lieu of PWHT not be applied in the repairs of a pressure vessel? 1. 2. 3. 4. 80. For For For For P-No. P-No. P-No. P-No. 1, Group 1 materials 3 materials 4 materials 1, Group 2 materials What is the recommended maximum inspection interval for a pressure-relieving device in process service? 1. 2. 3. 4. 81. 15 years. 12 years, 5 years. 20 years. When qualifying a nonstandard temperature liquid penetrant procedure for use above 1250F which of the following is correct? 1. 2. 3. 4. 82. Qualify Qualify Qualify Qualify the the the the procedure procedure procedure procedure at at at at the lower limit to be used the upper and lower limits to be used the exact temperature to be used the mid point between the upper and lower limit to be used Which of the following conditions must be met to qualify vessels for on-stream inspections when the general corrosion rate is less than 0.005 in. peryearand a remaining life greaterthan 10 years? 1. 2. 3. 4. The vessel is not plate lined The corrosive character of the contents has been established for at least 10 years Not more than two questionable conditions were disclosed at the previous external ' inspection The operating temperature exceeds the lower temperature limits for the materials creeprupture range COPYRIGHT O 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS 11 DOCUMENT I coDEwEST API 510 EXAM PREP COURSE 83. Manufacturers data reports. Vessel identification numbers Piping past the first vessel flange. Relief valve information. Welding electrodes are grouped in Section lX by 1. 2. 3. 4. 87. 5.0 years 4.05 years 2.00 years 10.0 years Which of the following is not normally found in pressure vessel records. 1. 2. 3. 4. 86. Must always be used. May be used when performing radiographic examination Can never be used. Can be used only with Type 1 film. The following thickness readings have been taken over time. 1995 = 0.1.306 in. , 1992 = 1.258 in., 2006 = 1.183 in., 2009 = 1.014 in. The minimum thickness is 0.897 in. What is the next inspection interval based on short term corrosion rate? 1. 2. 3. 4. 85. FINAL EXAM #1 ln accordance with Section V, intensifying screens: 1. 2. 3. 4. 84. I AWS class ASME specification SFA "F" number When does an inspector normally approve all specified repair and alteration work. 1. 2. 3. 4. Work is approved after the work contractor certifies the work to be satisfactory and the contractor has pressure tested the vessel. Work is approved by a process/chemical engineer for the owner-user and the contractor has pressure tested the vessel. Work is approved after an inspection by the authorized inspector has proven the work to be satisfactory in accordance with the repair plan. Work is approved after an inspection and test by the contractor and the unit operators accept the vessel 88. 89. Prior to magnetic particle examination the surface to be examined and all adjacent areas within at least shall be dry and free of all dirt etc. 1. 6 in. 2. 1ft 3. 1 in. 4. No requirement NDE examiners shall be qualified or certified in accordance with 1. 2. 3. 4. ASME Code Section V, SE-797 API 510 ASME Code Section Vlll Their employer's written practice COPYRIGHT @ 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS 12 DOCUMENT I GoDEWEST APr 510 EXAM PREP 90. I FINAL EXAM #1 Grounding connections when tested should have a recommended resistance of: 1. 2. 3. 4. 91. GOURSE 50 volts or less 50 ohms or less 5 ohms or less 1 Megohm of less The light intensity for MT examinations when using non-fluorescent particles shall be a minimum of: 1. 2. 3. 4. 92. The dimensions of the lead letter "B" for determining if the radiographic film was developed with back scatter radiation is? 1. 2. 3. 4. 93. 95. thick, Tr" tall 1/5" thick, 1116" lall 1116" thick, 3/8" tall Authorized lnspection Agency A Repair Organization Pressure Vessel Engineer Authorized Assessment Expert lf a filler metal is used that has a minimum specified tensile strength that is higher than that of the base metal, which of the following conditions must be met? 1. 2. The increased thickness shall have rounded corners The repair thickness shall not be more the 50% of the required base metal thickness, 3. 4. The repair shall be made with a minimum of two passes excludi ng corrosion allowance None of the above When computing the projected MAWP for determining acceptability of inspection interval of a pressure vessel in service, the "t" used in the calculation shall be: 1. 2. 3. 4. 96. 1116" No minimum API 510 requires Owner/Users to employ or have access to technically qualified individuals or organizations? Which of the following is not required? 1. 2. 3. 4. 94. 800 pW I cmz 12" from the surface of the part being examined 100 foot candles 500 Lx 1000 pW / cm2 on the surface of the part being examined The actual measured thickness minus twice the estimated corrosion loss before the date of the next inspection The estimated thickness minus twice the actual corrosion loss before the date of the next inspection The actual measured thickness minus three times the estimated corrosion loss before the date of the next inspection None of the above lmmediate retests of welders qualifications coupons 1. 2. 3. 4. Must use the same method May use any method Are not allowed Require lnspector approval COPYRIGHT O 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS 13 DOCUMENT I GODEWEST API 510 EXAM PREP GOURSE 97. Cracks can occur in supporting structures welded to the shell and should be examined by: 1. 2, 3. 4. gg. gg. FINAL EXAM #1 Visually with a good light and scraper WFPT Radiography ln-situ metallography Welded joints connecting communicating chambers, or nozzles to main shells or heads are Category 1. 2.B A 3. C 4. D When using the MAWP method to determine the next inspection interval the maximum interval permitted is: 100. 1. 2. There is no limit 3 4. 5 years 10 years 30 years There are how many sets to the wire lQl's? 1. 2.4 3 3. 2 4. 5 COPYRIGHT O 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS 14 DOCUMENT I CoDEWEST API 510 EXAM PREP GOURSE I FINAL EXAM #1 PART 2 OPEN BOOK 101. There are 3 pressure gages on a 150 ft tower that is being hydrostatically tested. One gage is installed 100 ft from the top. A second gage is on the 100 ft level and reads 195 psi. Whatwould the pressure gage at the 50 ft level read? 1. 2. 3. 4. 102. 160 psi 150 psi 135 psi 217 psi An SA-516 Grade 65 test specimen was used on a PQR. The tensile test specimen is 0.25" x 0.75" and broke with a machine load of 12,843 lbs. What is the "Ultimate Tensile Strength" of the weld specimen? 1. 2. 3. 4. 103. 68,250 psi 68,496 psi 65,071 psi 72,500 psi A ten foot diameter horizontal vessel has a large area of localized corrosion (40 in. in length and width) and has thickness readings taken in the circumferential direction (numbered rows, i.e. 1a, 1b, 1c, etc) and longitudinal direction (lettered rows, i.e. 1a,2a,3a, etc) as shown below. Performing thickness averaging in accordance with API 510, what would be the least thickness along the most critical element considering circumferential stress applies. 1a-0.290" 1b-0.260" 1c-0.220" 1. 2. 3. 4. 104. 2a-0.240" 2b-0.230" 2c-0.180" 3a-0.190" 4a-0.185" 3b-0.195" 4b-0.190" 3c-0.200" 4c-0.210" 5a-0.260" 5b-0.220" 5c-0.240" 0.205" 0.210', 0.191" 0.195" You have a corroded area with thinnest reading of 1.96" thick. The minimum thickness is 2.14". The corrosion rate is 0.004" per year. How much weld metal overlay must be installed to have a 10 year life? 1. 2 3. 4. 105. 0.627" 0.220" 0.390" Not permitted by API A seamless 2:1 ellipsoidal head is installed on a vessel with a measured inside diameterof 60.0 in. The head thickness is 1.500 in. The vessel is stamped RT 4 and the Data report shows that the MAWP is 600 psi and UW-11(a)(s)(b) was not applied. S = 18500 psi. What is the minimum required thickness for this head? 1. 2. 3. 4. 106. 0.976 " 0.500" 1.149" 2.150" The equivalent 4T holetype lQl designation for a number 80 lQl 2T hole is: 1. 120 2. 40 3. 60 4. 70 COPYRIGHT @ 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS 15 DOCUMENT I -:9p:y_1s:_!P_):t:t\tu_l::lT*9*oy15_)_*:_yl*IIyiL__ 107. Which of the following is a repair organization for a Section Vlll, Div. 1 pressure vessel: 1. The holder of a "U" designator 2. A contractor 3. The holder of a "PV" stamp 4. None of the above 108. The correct source side wire type lQl designation for a weld that is 0.51" thick is 1. 2.7 3. 4.8 5 12 109.. For welder qualification with the SMAW process is an essential variable. 1. Base metal thickness 2. A-number 3. F-number 4. Electrode diameter 110. A vessel that is 1.125 in. thick is to have a butt welded patch installed of SA-516 Gr. 65 normalized material. The nameplate on the vessel is stamped HT under the Code symbol stamp and a MDMT of 00F and a coincident ratio of 1.0. Below what temperature would impact testing be required? 1. 2. 3. 4. 111. -560F - 80F 640F 100F The repair organization is repairing a pressure vessel that is constructed with a 2.25 cr,.5 mo steel. They are inserting a 36" x 48" insert plate to replace a locally corroded area. They are uncertain what filler metal to use. What SMAW electrode would you suggest that they use. 1. 2. 3. 4. E- 7018-H8 E-8018-B3L E-7018-C 1 E-NiCrMo-3 112. The minimum thickness of an ASME Section Vlll, div 1, pressure vessel 1. Calculated thickness or 1116" whichever is greater 2. Calculated thickness or 1116" whichever is less 3. Calculated thickness or /o", whichever is less 4. Calculated thickness or To", whichever is greater 113. Developing time for wet developers applied during PT examination begins 1. 2. 3. 4. lmmediately upon application 10 minutes after application When the developer is dry 5 minutes after application COPYRIGHT @ 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS 16 DOCUMENT I GODEWEST API 510 EXAM PREP 114. I FINAL EXAM #1 Which of the following must be included in the written PT procedure. 1. 2. 3. 4. 115. COURSE Length of time penetrant must remain on surface Names and levels of examiners Standard temperature range Liquid comparator details When required by the referencing code section all nondestructive examinations shall be performed: 1. By the owner/user 2. To a written procedure 3. Only during shutdowns 4. Annually 116. Which of the following is an essential variable for the GMAW process? 1. 2. 3. 4. 117. What postweld heat treatment cooling rate would you use for a 6 inch, SA-516 Gr. 70 material, used as a flush patch, installed as part of a repair to a pressure vessel: 1. 2. 3. 4. 118. 19. 5000F/hr 83.30F/hr 4000F/hr 750 600 660 540 A nozzle is to be welded into a vessel shell....the following information is provided. The required thickness(tOof theshell is0.526inches.Vessel andnozzlestressareboth 15,000psi. The nozzle is similar to UW-16.1 sketch (a) [abutting). Nozzle diameter is 6.0 inches with 0.0625 corrosion allowance "c". Determine the area required for reinforcement. 1. 2. 3. 4. 120. '1000F/hr lf a 1 inch thickness is being examined by the prod method and the prods are 6 inches apart the maximum amps permitted are: 1 2. 3 4. 1 Uphill or downhill progression Groove design Decrease of 1050F in preheat Change of backing 3.222 sq. in. 5.821 sq. in. 0.125 sq. in. 10.1 10 sq. in. A welder qualifying with a P-No. 34 metal is qualified to weld 1. 2. 3. 4. P-1 to P-15F P-52 to P-52 Any P-21 through P-25 P-34 to P-34 only COPYRIGHT O 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS 17 DOCUMENT I CoDEWEST API 510 EXAM PREP 121. 0 405 in. 0.364 in 0.522 in. Calibration techniques to be used Post-examination cleaning Minimum light intensity Equipment to be used for magnetization lnspection records are required by API 510, NB-23, and jurisdictions. These records form the basis of a scheduled maintenance program, and are very important. A complete record file should contain three types of information: Piping and vessel data, inspector notes, and inspection time. Vessel data, piping data, heater data. Basic data, field notes, data that accumulates in the continuous file Basic notes, field surveys, continuous notation by the inspector. Hot tapping operations should be carried out using which of the following electrodes? 1. 2. 3. 4. 127. 0.567 in. Which of the following should not be included in a written MT procedure? 1. 2. 3. 4. 126. Overhead Flat & horizontal Flat & overhead Horizontal A 2'.1 ellipsoidal head is found to have corrosion in the center portion. The inside diameter is 36 inches, the MAWP is 450 psi, S = 20,000 and original E=0.85. What is the required thickness in the center portion of the head? 1. 2. 3. 4. 125. lts ability to form protective sulfide scales. The amount of nickel present. The ability to resist erosion. The capability to avoid graphitic decomposition. A welder qualifying with a groove weld in plate in the 4G position is qualified to weld groove welds 1) 2) 3) 4) 124. FINAL EXAM #1 inplateandpipeoVer24"o'D.inthe-positions' 1. 2. 3. 4. 123. I What determines the susceptibility of an alloy to sulfidation? 1. 2. 3. 4. 122. COURSE Cellulosic High-hydrogen Low-hydrogen None of the above Breathing air hose couplings shall be incompatible with couplings used for utility gas systems. This is done to: 1. 2. 3. 4. Make sure that breathing air is not used for running air blowers Prevent inadvertent cross connections of breathing air with gases that should not be inhaled. Avert the use of breathing air for cleaning areas by use of air blowing. Stop personnel from contaminating nitrogen gas supply lines with oxygen.. COPYRIGHT @ 2018 CODEWEST I DO NOT COPY OR DISTRIBUTE THIS 18 DOGUMENT t CODEWEST API 510 EXAM PREP COURSE 128. What is one element that is required before an organization can obtain a Certificate of Authorization issued by ASME to manufacture and stamp pressure vessels with a "U" stamp? 1. 2. 3. 4. 129. 0.004"/year 0.010"/year 0.006"/year 0.001" lyear > 4 in.