Codewest Test -API 650 & 653
Questions only
The measurements for internal bottom settlement shall have a maximum of _______
feet spacing between elevation points across the diameter? - answer 10
completed welds of stress relieved assemblies shall be examined by ____ ,after
stress relieving, but before hydrotest - answer MT or PT
vertical shell joints for new replacement shell plates to existing shell plates or
repaired joints in the existing shell plates shall have ____ additional radiograph (s)
taken in each joint - answer 1
the name plate for a reconstructed tank shell have: - answer design conditions
listed
the Min. length of readable RT film according to API 653 is? - answer 6"
when the corrosion rate of a tank is known the interval between taking UT
thickness measurements shall be the smaller of RCA/2N or - answer 15 years
if the corrosion rate is not known , what is the in-service UT interval ? - answer 5
years
general inspection reports shall include - answer metal thicknes measurements,
conditions found, repairs,any settlement measurements,and recommendations
peaking shall not exceed 1/2" when measured with : - answer a horizontal sweep
board 36" long and made to the true outside radius of the tank
routine in service inspection includes : - answer visually checking the exterior
tank's surface for leaks ,shell distortions,signs of settlement,signs of corrosion,
condition of the foundation,condition of the paint, condition of the insulation
system,and condition of appurtenances.
Questions only
The measurements for internal bottom settlement shall have a maximum of _______
feet spacing between elevation points across the diameter? - answer 10
completed welds of stress relieved assemblies shall be examined by ____ ,after
stress relieving, but before hydrotest - answer MT or PT
vertical shell joints for new replacement shell plates to existing shell plates or
repaired joints in the existing shell plates shall have ____ additional radiograph (s)
taken in each joint - answer 1
the name plate for a reconstructed tank shell have: - answer design conditions
listed
the Min. length of readable RT film according to API 653 is? - answer 6"
when the corrosion rate of a tank is known the interval between taking UT
thickness measurements shall be the smaller of RCA/2N or - answer 15 years
if the corrosion rate is not known , what is the in-service UT interval ? - answer 5
years
general inspection reports shall include - answer metal thicknes measurements,
conditions found, repairs,any settlement measurements,and recommendations
peaking shall not exceed 1/2" when measured with : - answer a horizontal sweep
board 36" long and made to the true outside radius of the tank
routine in service inspection includes : - answer visually checking the exterior
tank's surface for leaks ,shell distortions,signs of settlement,signs of corrosion,
condition of the foundation,condition of the paint, condition of the insulation
system,and condition of appurtenances.
