NACE CIP Level 1 Study Guide
Questions with Correct Answers 2025
DefineBCorrosionB-BCORRECTBANSWERB-
TheBdeteriorationBofBaBsubstance,BusuallyBaBmetalBfromBaBreactionBwithBitsBenvironment
WhatBisBpassivation?B-BCORRECTBANSWERB-
ABlayerBofBoxidesBformedBonBtheBsurfaceBofBaBmetalBthatBprovidesBcorrosionBprotection.
WhatBisBanBexampleBofBpassivation?B-BCORRECTBANSWERB-StainlessBSteel
WhatBareBtheBelementsBofBaBcorrosionBcell?B-BCORRECTBANSWERB-
Anode,BCathode,BMetallicBPathway,BElectrolyte
DescribeBwhatBhappensBatBtheBanode.B-BCORRECTBANSWERB-
TheBmetalBdissolvesBintoBtheBelectrolyte
WhatBisBtheBfunctionBofBtheBelectrolyte?B-BCORRECTBANSWERB-
AllowsBtheBpassageBofBionsBtoBconnectBtheBcorrosionBcell
WhatBisBtheBfunctionBofBtheBmetallicBpathway?B-BCORRECTBANSWERB-
AllowsBtheBflowBofBelectronsBtoBconnectBtheBcorrosionBcell
WhatBisBtheBgalvanicBseries?B-BCORRECTBANSWERB-
ABlistingBofBmetalsBinBorderBofBreactivityB(moreBorBlessBnoble)BinBseawaterBatB25BC
, TheBgeneralBrulesBofBgalvanicBcorrosionBare:B-BCORRECTBANSWERB-
TheBlessBnobleB(orBmoreBreactive)BmetalBwhenBconnectedBtoBaBmoreBnobleB(orBlessBreactiveBmetal
)BwillBcorrodeBpreferentially
NameBtheBfiveBmostBimportantBfactorsBthatBaffectBtheBrateBofBcorrosion.B-BCORRECTBANSWERB-
Humidity,Boxygen,BchemicalBsalts,Bpollutants,Btemperature
GeneralBcorrosionBis:B-BCORRECTBANSWERB-
ResultsBinBaBrelativelyBuniformBlossBofBmaterialBoverBtheBentireBsurface,BResultsBinBaBgeneralBthinni
ngBofBtheBaffectedBsurface,BRelativelyBeasyBtoBinspect,BDoesBnotBcasueBcatastrophicBfailures
LocalizedBcorrosionBis:B-BCORRECTBANSWERB-
TypicallyBpittingBandBcreviceBcorrosion.BItBisBtypicallyBofBtheBmostBconcernBasBdamageBisBconcentra
tedBandBlossBofBintegrityBorBstructuralBfailureBcanBresult.
ListBsomeBofBtheBcommonBtools/methodsBusedBforBcorrosionBcontrol.B-BCORRECTBANSWERB-
Design,BInhibitors,BMaterialBSelection,BCathodicBProtection,BProtectiveBCoatings,BSplashBZoneBSyst
ems,BAlterationBofBtheBEnvironment
HowBdoesBNACEBdefineBtheBinspector'sBrole?B-BCORRECTBANSWERB-
TheBinspector'sBroleBisBthatBofBaBqualityBcontrolBtechnicianBresponsibleBforBobservingBandBreportin
gBconformanceBorBdeviationBfromBtheBprojectBspecification.
WhatBisBtheBinspector'sBresponsibilityBwhenBitBcomesBtoBsafetyBonBtheBproject?B-
BCORRECTBANSWERB-
SafetyBenforcementBisBnotBtheBresponsibilityBofBtheBinspector;Bhowever,BitBisBhis/herBresponsibility
BtoBreportBanyBissuesBthatBmayBaffectBtheBproject.
NameBsomeBtestsBthatBmayBneedBtoBbeBconductedBduringBsurfaceBpreparationBandBcoatingBoperat
ions.B-BCORRECTBANSWERB-
Temperature,BRelativeBHumidity,BDewBPoint,BAnchorBProfile,BSurfaceBCleanliness
Questions with Correct Answers 2025
DefineBCorrosionB-BCORRECTBANSWERB-
TheBdeteriorationBofBaBsubstance,BusuallyBaBmetalBfromBaBreactionBwithBitsBenvironment
WhatBisBpassivation?B-BCORRECTBANSWERB-
ABlayerBofBoxidesBformedBonBtheBsurfaceBofBaBmetalBthatBprovidesBcorrosionBprotection.
WhatBisBanBexampleBofBpassivation?B-BCORRECTBANSWERB-StainlessBSteel
WhatBareBtheBelementsBofBaBcorrosionBcell?B-BCORRECTBANSWERB-
Anode,BCathode,BMetallicBPathway,BElectrolyte
DescribeBwhatBhappensBatBtheBanode.B-BCORRECTBANSWERB-
TheBmetalBdissolvesBintoBtheBelectrolyte
WhatBisBtheBfunctionBofBtheBelectrolyte?B-BCORRECTBANSWERB-
AllowsBtheBpassageBofBionsBtoBconnectBtheBcorrosionBcell
WhatBisBtheBfunctionBofBtheBmetallicBpathway?B-BCORRECTBANSWERB-
AllowsBtheBflowBofBelectronsBtoBconnectBtheBcorrosionBcell
WhatBisBtheBgalvanicBseries?B-BCORRECTBANSWERB-
ABlistingBofBmetalsBinBorderBofBreactivityB(moreBorBlessBnoble)BinBseawaterBatB25BC
, TheBgeneralBrulesBofBgalvanicBcorrosionBare:B-BCORRECTBANSWERB-
TheBlessBnobleB(orBmoreBreactive)BmetalBwhenBconnectedBtoBaBmoreBnobleB(orBlessBreactiveBmetal
)BwillBcorrodeBpreferentially
NameBtheBfiveBmostBimportantBfactorsBthatBaffectBtheBrateBofBcorrosion.B-BCORRECTBANSWERB-
Humidity,Boxygen,BchemicalBsalts,Bpollutants,Btemperature
GeneralBcorrosionBis:B-BCORRECTBANSWERB-
ResultsBinBaBrelativelyBuniformBlossBofBmaterialBoverBtheBentireBsurface,BResultsBinBaBgeneralBthinni
ngBofBtheBaffectedBsurface,BRelativelyBeasyBtoBinspect,BDoesBnotBcasueBcatastrophicBfailures
LocalizedBcorrosionBis:B-BCORRECTBANSWERB-
TypicallyBpittingBandBcreviceBcorrosion.BItBisBtypicallyBofBtheBmostBconcernBasBdamageBisBconcentra
tedBandBlossBofBintegrityBorBstructuralBfailureBcanBresult.
ListBsomeBofBtheBcommonBtools/methodsBusedBforBcorrosionBcontrol.B-BCORRECTBANSWERB-
Design,BInhibitors,BMaterialBSelection,BCathodicBProtection,BProtectiveBCoatings,BSplashBZoneBSyst
ems,BAlterationBofBtheBEnvironment
HowBdoesBNACEBdefineBtheBinspector'sBrole?B-BCORRECTBANSWERB-
TheBinspector'sBroleBisBthatBofBaBqualityBcontrolBtechnicianBresponsibleBforBobservingBandBreportin
gBconformanceBorBdeviationBfromBtheBprojectBspecification.
WhatBisBtheBinspector'sBresponsibilityBwhenBitBcomesBtoBsafetyBonBtheBproject?B-
BCORRECTBANSWERB-
SafetyBenforcementBisBnotBtheBresponsibilityBofBtheBinspector;Bhowever,BitBisBhis/herBresponsibility
BtoBreportBanyBissuesBthatBmayBaffectBtheBproject.
NameBsomeBtestsBthatBmayBneedBtoBbeBconductedBduringBsurfaceBpreparationBandBcoatingBoperat
ions.B-BCORRECTBANSWERB-
Temperature,BRelativeBHumidity,BDewBPoint,BAnchorBProfile,BSurfaceBCleanliness