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Exam (elaborations)

NACE CIP LEVEL 2 QUESTIONS WITH CORRECT ANSWERS 2025

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NACE CIP LEVEL 2 QUESTIONS WITH CORRECT ANSWERS 2025

Institution
NACE CIP Level 2
Course
NACE CIP Level 2









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Institution
NACE CIP Level 2
Course
NACE CIP Level 2

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Uploaded on
April 29, 2025
Number of pages
14
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers

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  • nace cip level 2 questions with correct answers 20

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NACE CIP LEVEL 2 QUESTIONS WITH
CORRECT ANSWERS 2025
PassivationB-BCORRECTBANSWERB-
formationBofBthinBsurfaceBlayerBonBmetals(oxide,Bcarbonate)BthatBslowsBtheBrateBofBcorrosionBproc
ess



TwoBcategoriesBofBcorrosionB-BCORRECTBANSWERB-generalBandBlocalized



OxygenBeffectBonBcorrosionB-BCORRECTBANSWERB-
electrolytesBw/BdifferentBoxygenBlevelsBcreateBanodicBandBcathodicBareasBofBtheBmetal



TemperatureBeffectBonBcorrosionB-BCORRECTBANSWERB-
higherBtemperatureBresultsBinBaBgreaterBrateBofBcorrosion



ChemicalBsaltsBeffectBonBcorrosionB-BCORRECTBANSWERB-
increaseBefficiencyBofBelectrolyeBandBthereforeBalsoBtheBcorrosionBrate



HumidityBeffectBonBcorrosionB-BCORRECTBANSWERB-
higherB____BresultsBinBhigherBcorrosion(usuallyBmaxedBatB85%)



4BpartsBofBgalvanicBcorrosionB-BCORRECTBANSWERB-anode,Bcathode,BmetallicBpath,Belectrolyte



CathodicBprotectionB-BCORRECTBANSWERB-
wholeBsurfaceBisBmadeBcathodicBwithBaBdirectBcurrentBappliedBalongBwithBaBseparateBanode



CreviceBcorrosionB-BCORRECTBANSWERB-
ABformBofBcorrosionBthatBoccursBwithinBnarrowBcrevicesBandBunderBdepositsBofBdirtBorBcorrosionBp
roductsB(i.e.,BinBregionsBofBlocalizedBdepletionBofBoxygenBinBtheBsolution).

, PittingBCorrosionB-BCORRECTBANSWERB-
LocalizedBcorrosionBofBaBmetalBsurfaceBthatBisBconfinedBtoBaBsmallBareaBandBtakesBtheBformBofBcavit
iesBcalledBpits.



GalvanicBcorrosionB-BCORRECTBANSWERB-
isBanBelectrochemicalBreactionBofBtwoBdisimilarBmetalsBinBtheBpresenceBofBanBelectroluyeBandBanBe
lectronBconductiveBpath,BwhichBoccursBwhenBdissimilarBmetalsBcomeBintoBcontact



TwoBtypsBofBcathodicBprotectionB-BCORRECTBANSWERB-galvanicBandBimpressedBcurrent



GalvanicBsystemB-BCORRECTBANSWERB-galvanicBanodeBattachedBtoBstructure

-suitbaleBmaterialsBincludeBaluminum,BmagnesiumBandBzinc



ImpressedBcurrentBsystemB-BCORRECTBANSWERB-
anBexternalBpowerBsourceBisBconnectedBorBimpressedBbetweenBtheBstructureBtoBbeBprotectedBandB
theBgroundBbed

-
examplesBofBmaterialsBincludeBscrapBsteel,Bgraphite,BironBoxide,BhihgBsiliconBchromiumBbearingBca
stBiron,BmixedBmetalBoxideBtitanium



CathodicBdisbondmentB-BCORRECTBANSWERB-
separationBofBtheBcoatingBfromBtheBsurfaceBthroughBOH-
BionsBformationBdueBtoBincreased(i.eBmadeBmoreBnegative)Bpotential




SequenceBofBcathodicBdisbondmentB-BCORRECTBANSWERB-
1)stableBcathodicBprotectionB2)BdisbondmentBbyBhydroxylBionsB3)BdisbondentBbyBhydrogenBions



PrincipalBcomponentBofBmildBcarbonBsteelB-BCORRECTBANSWERB-Iron
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