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API 570 Questions With Complete Answers (Study Guide)
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API 570 Questions With Complete Answers (StudyGuide)
Non-protected <2000 Ohm resistance under ground pipe requires inspection
every... Right Ans - 2.5 years
Non-protected 2000-10000 Ohm resistance under ground pipe requires
inspection every... Right Ans - 5 years
Non-protected >10000 Ohm resistance under ground pipe requires inspection
every... Right Ans - 7.5 years
Protected <2000 Ohm resistance under ground pipe requires inspection
every... Right Ans - 5 years
Protected 2000-10000 Ohm resistance under ground pipe requires inspection
every... Right Ans - 10 years
Protected >10000 Ohm resistance under ground pipe requires inspection
every... Right Ans - 15 years
Piping >100ft with no cathodic protection need evaluation of soil corrosivity
every... Right Ans - 5 years
API 576 Right Ans - PVR Inspection
API 574 Right Ans - Inspection Practices of Pipework
API 577 Right Ans - Welding Practices
API 651 Right Ans - Cathodic Protection of Above Ground Storage Tanks
API 579 Right Ans - FSS
API 579 section 5 Right Ans - Local Metal Loss
API 579 section 6 Right Ans - Pitting Corrosion
, API 579 section 7 Right Ans - Blisters and Laminations
API 579 section 8 Right Ans - Weld misalignment and shell distortion
API 579 section 9 Right Ans - Crack-like Flaws
PRDs require internal and external visual inspection every... Right Ans - 5
and 10 years
Upstream limits of Injection points are... Right Ans - 12" or 3 pipe
diameters (greater of the two)
API 579 section 11 Right Ans - Fire Damage
Gap size in socket weld Right Ans - 1/16"
API 570 Right Ans - Alteration, inspection, rating, repair of metallic and
FRP in service piping
API 598 Right Ans - Valve Inspection and testing
Why is it common practice to use alkaline water when hydrotesting austenitic
stainless steels? Right Ans - Polythionic SCC
What liquids are contained within Class 1 service? Right Ans - Flammable
services that can auto-refrigerate or rapidly vapourise, >3% H2S, anhydrous
HCl, HF, piping over water pipework or roads, flammable service above auto-
ignition temperature
Acoustic Emission Inspection is use for... Right Ans - Structural surveys
Damaged Insulation Class 1 requires _____% inspection. Right Ans - 75
Damaged Insulation Class 2 requires _____% inspection. Right Ans - 50
Damaged Insulation Class 3 requires _____% inspection. Right Ans - 25
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