API 653 Exam | Questions with Complete Solutions (Verified Correct Answers)
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Course
Api 653
Institution
Api 653
API 653 standard covers maintenance repair relocation and reconstruction of Tanks constructed
according to what standards - ANSWER API 650 and API 12C
guided bend test are used to - ANSWER determine the degree of soundness and ductility of
Groove weld joints
tension tests are used to - ANSWER d...
API 653 Exam | Questions with Complete Solutions
(Verified Correct Answers)
API 653 standard covers maintenance repair relocation and reconstruction of Tanks constructed
according to what standards - ANSWER API 650 and API 12C
guided bend test are used to - ANSWER determine the degree of soundness and ductility of
Groove weld joints
tension tests are used to - ANSWER determined the ultimate strength of Groove weld joints
how many tension tests are required for procedure qualification - ANSWER two tension tests
which nde technique are volumetric - ANSWER radiography and ultrasound
radiography can be used to qualify welders performance - ANSWER true
apart from 6G which pipe position can be used to qualify a welder for all other positions -
ANSWER 2G and 5G
, the 1 foot method designed shall not be used in tanks over which diameter - ANSWER 200 ft
maximum design internal pressure in an AST is not exceeding - ANSWER 2.5 PSIG
at which temperature is risk of brittle fracture is considered minimal - ANSWER 50° f
tank shell thickness below 1/2 inch is there risk of brittle fracture - ANSWER no it is minimal
an image quality indicator penetrameter is used to - ANSWER determine the image quality of a
radiograph
API 650 limits design temperature to be no more than - ANSWER 93° C or 200° Fahrenheit
plate for reconstructed tank has been out in the open for more than 180 days can it be used
for tank shells - ANSWER yes but only with a UTM assessment
if impact testing was not done on an original tank material of unknown toughness the hot
Taps shall be limited to what diameter - ANSWER NPS 4
in tank ulceration, before hydrostatic test is required if nozzles larger than which diameter
________ below are below liquid level - ANSWER NPS 12
is it permitted to use cast iron for pressure parts of a tank - ANSWER no
A new A35 tank is to be hydrostatically tested. what maximum allowable stress should be
used to determine the maximum hydrostatic height - ANSWER 24,900
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