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API 653 Data Sheets Exam Questions and Answers 100% Pass

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API 653 Data Sheets Exam Questions and Answers 100% Pass Fitness For Service - API 579 Low Pressure Storage Tanks - API 620 Risked Based Inspection - API 580 Cathodic Protection - API 651 Tank Bottom Linings - API 652 Welding on in service equipment containing flammables - API 2201 NDE Proc...

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  • January 10, 2025
  • 16
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Api 653
  • Api 653
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EmilyCharlene
API 653 Data Sheets Exam
Questions and Answers 100% Pass

Fitness For Service - ✔✔API 579


Low Pressure Storage Tanks - ✔✔API 620


Risked Based Inspection - ✔✔API 580


Cathodic Protection - ✔✔API 651


Tank Bottom Linings - ✔✔API 652


Welding on in service equipment containing flammables - ✔✔API 2201


NDE Procedure Guidlines - ✔✔ASME Section V


Acceptance Standards for RT of welds - ✔✔ASME Section 8, Div. 1


Alternative evaluation for pits and LTA's - ✔✔ASME Section 8, Div. 2


Welder Qualification - ✔✔ASME Section IX


Weld Procedure Qualification - ✔✔ASME Section IX


Impact testing method and equipment requirements - ✔✔ASTM A370




EMILY CHARLENE © 2025, ALL RIGHTS RESERVED 1

,Requirement for new welding electrodes - ✔✔AWS


NDE personnel qualification (RT and UT flaw detection) - ✔✔ASNT SNT-TC-1A


API 650 Appendix for frangible roofs - ✔✔Appendix F


API 650 Appendix for hot tanks - ✔✔Appendix M


Maximum allowed vertical length of pits on a tank shell - ✔✔2" in 8" Line


Max allowed length of pits in the critical zone that can be repaired by weld build up -

✔✔2" in 8" arc


Radial length of critical zone measured from shell - ✔✔3"


Bottoms- suggested pad thickness - ✔✔3-4"


Minimum distance between clusters of surface porosity - ✔✔4"


Minimum dimension of shell lap-patch - ✔✔4"


Minimum radius of shell flush-patch - ✔✔6"


When calculating tmin for shell LTA, minimum distance away from a rivet where "E" is

always 1.0 - ✔✔6"


Minimum size of a bottom lap-patch that does NOT cross a bottom seam - ✔✔6"


Minimum distance between a bottom lap patch and the shell for patches that do NOT

extend to the shell - ✔✔6"




EMILY CHARLENE © 2025, ALL RIGHTS RESERVED 2

, If reusing shell plates, minimum distance to cut from existing shell welds (if plates are

not deseamed) - ✔✔6"


Minimum diagnostic length of RT for vertical or horizontal welds - ✔✔6"


Minimum length of RT when qualifying a welder with RT using a coupon or 1st

production weld - ✔✔6"


Minimum length of RT when qualifying a weld operator with a test coupon - ✔✔6"


Minimum distance to overlap a shell weld when using a lap patch - ✔✔6"


Area to dig when checking for soil-to-air corrosion - ✔✔6-12"


Typical size of a vacuum box - ✔✔6"X30"


Minimum dimension of a shell flush patch - ✔✔12" or 12 times thickness of replacement

plate, whichever is greater


Bottoms-minimum distance a 3 lap joint can be from: other 3 lap joints, the shell or

annular plate joints - ✔✔12"


Minimum dimension of bottom lap patch that crosses a bottom seam - ✔✔12"


Foundations- suggested height above grade for new tank bottoms - ✔✔12"


When adding a shell flush patch that extends to a horizontal shell weld, minimum

distance to cut the horizontal weld past the new vertical welds - ✔✔12"




EMILY CHARLENE © 2025, ALL RIGHTS RESERVED 3

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