API 653 Test 3| Questions with Complete Solutions (Verified Correct Answers)
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Course
Api 653
Institution
Api 653
If a shim is used under a hole-type IQI, then ________ side of the IQI should be distinctly visible
in the RT? - ANSWER 3 side
When using a gamma radiation source, the film density limits are_________ for the IQI and
weld? - ANSWER 2.0 to 4.0
Densitometers should be calibrated how often? - ANSW...
API 653 Test 3| Questions with Complete Solutions
(Verified Correct Answers)
If a shim is used under a hole-type IQI, then ________ side of the IQI should be distinctly visible
in the RT? - ANSWER 3 side
When using a gamma radiation source, the film density limits are_________ for the IQI and
weld? - ANSWER 2.0 to 4.0
Densitometers should be calibrated how often? - ANSWER 90 days
What is an indication of unacceptable backscatter when taking an RT? - ANSWER Faint light B
Iridium 192 is used on wall thicknesses of ____________? - ANSWER O.25" to 3.0"
Cobalt 60 is used on wall thicknesses of ______________? - ANSWER 1.5" to 7"
When qualifying a welder with RT, what 3 indications are always unacceptable? - ANSWER
Cracks, Lack of Fusion and Lack of Penatration
,When can RT not be used to qualify a welder? What Process? - ANSWER GMAW - SC
How much RT is required to qualify a welder on a coupon? 1st Production weld? - ANSWER 6",
6"
How much RT is required to qualify a welding operator on a coupon? 1st production Weld? -
ANSWER 6", 36"
What is the limits of RT film density of a weld as compared to the IQI? (Range) - ANSWER -15%
to +30%
What code covers Fitness for Service? - ANSWER API 579
What code covers Risked Based Inspection - ANSWER API 580
What code covers Low Pressure Storage Tanks - ANSWER API 620
What code covers Catholic Protection? - ANSWER API 651
What code covers Tank Bottom Lining? - ANSWER API 652
What code covers welding on In-Service Equipment? - ANSWER API 2201
What code covers NDE Procedures Guidlines? - ANSWER ASME Section V
What code covers Acceptance Standards for RT, MT and PT of Welds? - ANSWER ASME Section
VIII Div. 1
, What Alternative code can be used to evaluate pits or LTA's? - ANSWER ASME Section VIII Div. 2
What code covers welder qualifications? - ANSWER ASME Section IX
What code covers welding procedure qualification? - ANSWER ASME Section IX
What covers Impact Testing method and equipment requirements? - ANSWER ASTM A370
What code/standard covers new welding electrodes? - ANSWER AWS
What standard does RT and UT flaw detection qualify to? - ANSWER ASNT SNT-TC-1A
What code and annex covers Frangible Roofs? - ANSWER API 650 Annex F
What code and annex covers Hot Tanks? - ANSWER API 650 Annex M
What is the scope of API 653? What does it cover? - ANSWER AIRR - Alternation, Inspect,
Repair, and Reconstruction
Who can be an API 653 authorized inspection agency? - ANSWER JUIC -
Jurisdiction, User/Owner, Insurance Company and Contractor
Who can be an API 653 Repair Organization? - ANSWER JOC - Jurisdiction, Owner or Contractor
What is the typical anchor profile of a steel surface required before the installation of a tank
bottom lining? - ANSWER 1.5 to 4 mils
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