Miscellaneous Numbers Flashcards
NDE - Minimum number of RT’s required on a circular shell replacement plate
1
FFS – Current joint efficiency “E” in API 650
1.0
FFS – Joint Efficiency “E” – Calculating tmin for an LTA, when LTA is away from rivets by > 6”
-
1.0
FFS – Joint Efficiency “E” – Calculating tmin for an LTA, when LTA is away from weld by greater of: 1” or 2t
1.0
Reconstruction - Number of sets of center punch marks located on top and bottom edges of each shell piece
2
Weld Qualification - Number of tension tests to qualify a WPS
2
Weld Qualification - Number of bend tests to qualify a welder or welding operator in welding positions 1G-4G
2
NDE - Minimum # of exposures to RT 360o of a weld using a double-wall technique, double-wall view (elliptical shot)
2
NDE - RT film Density Range - allowed for the weld & IQI when using a gamma ray source
2.0 - 4.0
NDE - Minimum # of exposures to RT 360o of a weld using a double-wall technique, single-wall view
3
Impact Test - Number of test bars required in each set of impact test specimens
3
NDE - When using a shim under a hole-type IQI, the number of sides of the IQI that must be seen in the RT image
3
Hot Tap - Minimum number of UT readings around the circumference of a new hot tapped nozzle
4
Weld Qualification - Number of bend tests to qualify a WPS
4
Weld Qualification - Number of bend tests required to qualify a welder in welding positions 5G & 6G
4
