Miscellaneous Other Flashcards
Reconstructed – Maximum allowed out-of-plumbness
1/100 height
653: 10.5.2.1
Corrosion – pH level that causes corrosion to increase
< 5.0 pH
651: 5.3.2.1.g
Corrosion – Chloride level where pitting on steel begins
10 ppm
651: 5.3.2.1.h
NDE - Weight used to check magnetic strength of an AC yoke
10 lb.
V: T-762.b
Grounding - Maximum electrical resistance permitted from tank to earth
25 ohm
575: 8.2.6
NDE – Min angle of eye-to-part to count as a Visual Exam
30 degrees
575: 9.2.1
577: 8.3.1.f
NDE - Weight used to check magnetic strength of a DC yoke
40 lb.
V: T-762.c
NDE – Min light intensity needed for General Viewing tank
15 ft-candle
575: 9.2.1
NDE – Min light intensity needed for viewing tank anomalies
50 ft-candle
575: 9.2.1
NDE – Min light intensity needed for visual per API 577
100 fc
577: 8.3.2.2.a
NDE - Minimum light intensity when performing nonfluorescent MT or PT exams
100 fc
V: T-676.3 &
T-777.1
Vac Box – Min light intensity when performing vacuum testing
100 fc
650: 8.6.7
NDE - Minimum black light intensity when performing fluorescent MT or PT exams
1000 μW/cm2
V: T-676.4.d &
T-777.2.d
Brittle – Shell stress when brittle fracture is NOT a concern
< 7000 psi
653: Fig 5.1
NDE - Hole size that must be visible in RT when using a holetype IQI
2T
V: Tbl-276
Weld Qualification - Maximum allowed thickness on a WPS based on the plate thickness (T) of a PQR test coupon
2T
IX: QW451.1
Weld Qualification – The “all-position” test coupon
6G
IX: QW461.9
NDE - Lead letter used during RT to check for backscatter radiation
B
V: T-223
NDE - Lead letter used during RT to indicate a film-side IQI
F
V: T-277.b
NDE - Lead letter used during RT to indicate a repaired weld
R
653: 12.2.3.2
Repairs – Material where pre-heat can be substituted for a required PWHT
P-1
653: 11.3.1.a
Repairs – Materials where control deposition welding can be substituted for a required PWHT
P1, P3, P4 653: 11.3.2.a
Hot Taps – Nozzle thickness for hot tapped nozzles
Ext Strong
653: Fig 9.14
Repairs – Welding processes that can be used when substituting Preheat or Controlled Deposition welding for
a required PWHT
SMAW,
GMAW,
FCAW,
GTAW
653: 11.3.1.b
653: 11.3.2.b
Corrosion – In a corrosion cell, the part that corrodes
Anode
651: 4.1.1.a
Corrosion – In a corrosion cell, the part that doesn’t corrode
Cathode
651: 4.1.1.b
Linings – Minimum surface prep prior to applying lining
NACE 2 Near-white
652: 7.1
Weld Qualification – Rejectable in RT when qualifying a welder
Crack, LoF,IP
IX: QW191.1.2.2.a.1
Weld Qualification – Which welding process can a welder NOT be qualified by RT/UT
GMAW - SC
IX: QW-304
Welding - Variables needed on WPS
Essential & Non-Essent.
IX: QW200.1.b
Welding - Variables needed on PQR
Essential
IX: QW200.2.b
Welding – For WPS/PQR what makes Supplement Variables Essential
Toughness Testing
IX: QG-105.3
Corrosion – Corrosion type sometimes found in fuel-grade ethanol tanks
SCC -Stress Corr Cracking
652: 4.10
Corrosion – Common cause of SCC in austenitic SS
Chlorides
575: 5.3.4
Corrosion – Chemical often in BSW that corrodes tank floor
Salt
575: 7.4.3.3
Planning – Two primary factors of Risk
Likelihood & Consequence of Failure
575: 6.3.1
653: 6.4.2.2.2
