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API 653 Data Sheets.
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API 653 Data Sheets.
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API 653 Data SheetsFitness For Service - correct answer-API 579
Low Pressure Storage Tanks - correct answer-API 620
Risked Based Inspection - correct answer-API 580
Cathodic Protection - correct answer-API 651
Tank Bottom Linings - correct answer-API 652
Welding on in service equipment containing flammables - correct answer-API 2201
NDE Procedure Guidlines - correct answer-ASME Section V
Acceptance Standards for RT of welds - correct answer-ASME Section 8, Div. 1
Alternative evaluation for pits and LTA's - correct answer-ASME Section 8, Div. 2
Welder Qualification - correct answer-ASME Section IX
Weld Procedure Qualification - correct answer-ASME Section IX
Impact testing method and equipment requirements - correct answer-ASTM A370
Requirement for new welding electrodes - correct answer-AWS
NDE personnel qualification (RT and UT flaw detection) - correct answer-ASNT SNT-TC-1A
API 650 Appendix for frangible roofs - correct answer-Appendix F
API 650 Appendix for hot tanks - correct answer-Appendix M
Maximum allowed vertical length of pits on a tank shell - correct answer-2" in 8" Line
Max allowed length of pits in the critical zone that can be repaired by weld build up - correct
answer-2" in 8" arc
Radial length of critical zone measured from shell - correct answer-3"
Bottoms- suggested pad thickness - correct answer-3-4"
Minimum distance between clusters of surface porosity - correct answer-4"
Minimum dimension of shell lap-patch - correct answer-4"
, Minimum radius of shell flush-patch - correct answer-6"
When calculating tmin for shell LTA, minimum distance away from a rivet where "E" is always
1.0 - correct answer-6"
Minimum size of a bottom lap-patch that does NOT cross a bottom seam - correct answer-6"
Minimum distance between a bottom lap patch and the shell for patches that do NOT extend
to the shell - correct answer-6"
If reusing shell plates, minimum distance to cut from existing shell welds (if plates are not
deseamed) - correct answer-6"
Minimum diagnostic length of RT for vertical or horizontal welds - correct answer-6"
Minimum length of RT when qualifying a welder with RT using a coupon or 1st production
weld - correct answer-6"
Minimum length of RT when qualifying a weld operator with a test coupon - correct
answer-6"
Minimum distance to overlap a shell weld when using a lap patch - correct answer-6"
Area to dig when checking for soil-to-air corrosion - correct answer-6-12"
Typical size of a vacuum box - correct answer-6"X30"
Minimum dimension of a shell flush patch - correct answer-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 - correct answer-12"
Minimum dimension of bottom lap patch that crosses a bottom seam - correct answer-12"
Foundations- suggested height above grade for new tank bottoms - correct answer-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 - correct answer-12"
Length of shell to bottom weld that if repaired is considered either a major repair or alteration
- correct answer->0"
Typical anchor profile of steel surface required for installation of a tank bottom lining - correct
answer-1.5-4.0 mils
Maximum undercut of a vertical weld and nozzle weld - correct answer-1/64"
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