NACE CIP Level 1 Study
Guide and Answers
Updated 2026
DefineBCorrosionB-
BAnswerBTheBdeteriorationBofBaBsubstance,BusuallyBaBmetalBfromBaBreactionBwithBits
Benvironment
WhatBisBpassivation?B-
BAnswerBABlayerBofBoxidesBformedBonBtheBsurfaceBofBaBmetalBthatBprovidesBcorrosi
onBprotection.
WhatBisBanBexampleBofBpassivation?B-BAnswerBStainlessBSteel
WhatBareBtheBelementsBofBaBcorrosionBcell?B-
BAnswerBAnode,BCathode,BMetallicBPathway,BElectrolyte
DescribeBwhatBhappensBatBtheBanode.B-
BAnswerBTheBmetalBdissolvesBintoBtheBelectrolyte
WhatBisBtheBfunctionBofBtheBelectrolyte?B-
BAnswerBAllowsBtheBpassageBofBionsBtoBconnectBtheBcorrosionBcell
WhatBisBtheBfunctionBofBtheBmetallicBpathway?B-
BAnswerBAllowsBtheBflowBofBelectronsBtoBconnectBtheBcorrosionBcell
WhatBisBtheBgalvanicBseries?B-
BAnswerBABlistingBofBmetalsBinBorderBofBreactivityB(moreBorBlessBnoble)BinBseawater
BatB25BC
, TheBgeneralBrulesBofBgalvanicBcorrosionBare:B-
BAnswerBTheBlessBnobleB(orBmoreBreactive)BmetalBwhenBconnectedBtoBaBmoreBnoble
B(orBlessBreactiveBmetal)BwillBcorrodeBpreferentially
NameBtheBfiveBmostBimportantBfactorsBthatBaffectBtheBrateBofBcorrosion.B-
BAnswerBHumidity,Boxygen,BchemicalBsalts,Bpollutants,Btemperature
GeneralBcorrosionBis:B-
BAnswerBResultsBinBaBrelativelyBuniformBlossBofBmaterialBoverBtheBentireBsurface,BRe
sultsBinBaBgeneralBthinningBofBtheBaffectedBsurface,BRelativelyBeasyBtoBinspect,BDoesB
notBcasueBcatastrophicBfailures
LocalizedBcorrosionBis:B-
BAnswerBTypicallyBpittingBandBcreviceBcorrosion.BItBisBtypicallyBofBtheBmostBconcernB
asBdamageBisBconcentratedBandBlossBofBintegrityBorBstructuralBfailureBcanBresult.
ListBsomeBofBtheBcommonBtools/methodsBusedBforBcorrosionBcontrol.B-
BAnswerBDesign,BInhibitors,BMaterialBSelection,BCathodicBProtection,BProtectiveBCoatin
gs,BSplashBZoneBSystems,BAlterationBofBtheBEnvironment
HowBdoesBNACEBdefineBtheBinspector'sBrole?B-
BAnswerBTheBinspector'sBroleBisBthatBofBaBqualityBcontrolBtechnicianBresponsibleBforB
observingBandBreportingBconformanceBorBdeviationBfromBtheBprojectBspecification.
WhatBisBtheBinspector'sBresponsibilityBwhenBitBcomesBtoBsafetyBonBtheBproject?B-
BAnswerBSafetyBenforcementBisBnotBtheBresponsibilityBofBtheBinspector;Bhowever,BitBi
sBhis/herBresponsibilityBtoBreportBanyBissuesBthatBmayBaffectBtheBproject.
NameBsomeBtestsBthatBmayBneedBtoBbeBconductedBduringBsurfaceBpreparationBandBc
oatingBoperations.B-
BAnswerBTemperature,BRelativeBHumidity,BDewBPoint,BAnchorBProfile,BSurfaceBCleanlin
ess
Guide and Answers
Updated 2026
DefineBCorrosionB-
BAnswerBTheBdeteriorationBofBaBsubstance,BusuallyBaBmetalBfromBaBreactionBwithBits
Benvironment
WhatBisBpassivation?B-
BAnswerBABlayerBofBoxidesBformedBonBtheBsurfaceBofBaBmetalBthatBprovidesBcorrosi
onBprotection.
WhatBisBanBexampleBofBpassivation?B-BAnswerBStainlessBSteel
WhatBareBtheBelementsBofBaBcorrosionBcell?B-
BAnswerBAnode,BCathode,BMetallicBPathway,BElectrolyte
DescribeBwhatBhappensBatBtheBanode.B-
BAnswerBTheBmetalBdissolvesBintoBtheBelectrolyte
WhatBisBtheBfunctionBofBtheBelectrolyte?B-
BAnswerBAllowsBtheBpassageBofBionsBtoBconnectBtheBcorrosionBcell
WhatBisBtheBfunctionBofBtheBmetallicBpathway?B-
BAnswerBAllowsBtheBflowBofBelectronsBtoBconnectBtheBcorrosionBcell
WhatBisBtheBgalvanicBseries?B-
BAnswerBABlistingBofBmetalsBinBorderBofBreactivityB(moreBorBlessBnoble)BinBseawater
BatB25BC
, TheBgeneralBrulesBofBgalvanicBcorrosionBare:B-
BAnswerBTheBlessBnobleB(orBmoreBreactive)BmetalBwhenBconnectedBtoBaBmoreBnoble
B(orBlessBreactiveBmetal)BwillBcorrodeBpreferentially
NameBtheBfiveBmostBimportantBfactorsBthatBaffectBtheBrateBofBcorrosion.B-
BAnswerBHumidity,Boxygen,BchemicalBsalts,Bpollutants,Btemperature
GeneralBcorrosionBis:B-
BAnswerBResultsBinBaBrelativelyBuniformBlossBofBmaterialBoverBtheBentireBsurface,BRe
sultsBinBaBgeneralBthinningBofBtheBaffectedBsurface,BRelativelyBeasyBtoBinspect,BDoesB
notBcasueBcatastrophicBfailures
LocalizedBcorrosionBis:B-
BAnswerBTypicallyBpittingBandBcreviceBcorrosion.BItBisBtypicallyBofBtheBmostBconcernB
asBdamageBisBconcentratedBandBlossBofBintegrityBorBstructuralBfailureBcanBresult.
ListBsomeBofBtheBcommonBtools/methodsBusedBforBcorrosionBcontrol.B-
BAnswerBDesign,BInhibitors,BMaterialBSelection,BCathodicBProtection,BProtectiveBCoatin
gs,BSplashBZoneBSystems,BAlterationBofBtheBEnvironment
HowBdoesBNACEBdefineBtheBinspector'sBrole?B-
BAnswerBTheBinspector'sBroleBisBthatBofBaBqualityBcontrolBtechnicianBresponsibleBforB
observingBandBreportingBconformanceBorBdeviationBfromBtheBprojectBspecification.
WhatBisBtheBinspector'sBresponsibilityBwhenBitBcomesBtoBsafetyBonBtheBproject?B-
BAnswerBSafetyBenforcementBisBnotBtheBresponsibilityBofBtheBinspector;Bhowever,BitBi
sBhis/herBresponsibilityBtoBreportBanyBissuesBthatBmayBaffectBtheBproject.
NameBsomeBtestsBthatBmayBneedBtoBbeBconductedBduringBsurfaceBpreparationBandBc
oatingBoperations.B-
BAnswerBTemperature,BRelativeBHumidity,BDewBPoint,BAnchorBProfile,BSurfaceBCleanlin
ess