AMPP CIP Level 1 Theory
Questions and Answers
Updated 2026-2027
WhatBisBcorrosion?B-
BAnswerBTheBdeteriorationBofBaBmetalBorBalloyBthatBresultsBfromBanBelectrochemical
BreactionBwithBitsBenvironment.
WhatBneedsBtoBbeBpresentBinBorderBforBcorrosionBtoBoccur?B-BAnswerBAnode
Cathode
MetallicBPathway
Electrolyte
WhatBisBanBanode?B-
BAnswerBTheBanodeBisBtheBareaBofBtheBmetalBsurfaceBthatBcorrodes.BTheBmetalBoxid
izesB(gainsBoxygen),BcausingBitBtoBloseBmassBandBdissolveBintoBtheBelectrolyte.
WhatBisBoxidation?B-
BAnswerBOxidationBisBaBchemicalBreactionBthatBoccursBatBtheBanodeBwhereBtheBmet
alBlosesBelectrons.
WhatBisBaBcathode?B-
BAnswerBTheBcathodeBisBtheBareaBofBtheBmetalBsurfaceBthatBreducesB(losesBoxygen).
WhatBisBreduction?B-
BAnswerBReductionBisBaBchemicalBreactionBthatBoccursBatBtheBcathodeBthatBinvolvesB
theBmetalBgainingBelectrons.
,WhatBisBtheBmetallicBpathway?B-
BAnswerBTheBmetallicBpathwayBconnectsBtheBanodeBtoBtheBcathodeBandBallowsBtheB
passageBofBelectronsBgeneratedBfromBtheBcathodeBtoBtheBanode.
WhatBisBanBelectrolyte?B-
BAnswerBTheBelectrolyteBisBtheBconductiveBmediumB(anyBsolution,BlikeBwater)BinBwhi
chBionsBareBcarriedBfromBtheBanodeBtoBtheBcathode.
WhatBisBaBbarrierBcoating?B-
BAnswerBABbarrierBcoatingBprotectsBtheBsubstrate/metalBbyBprovidingBaBchemicalBand
BphysicalBbarrierBbetweenBtheBmetalBsurfaceBandBtheBenvironment.B
TheBbarrierBcoatingBinterruptsBtheBelectrolyteBofBtheBelectrochemicalBcell.
WhatBisBpassivation?B-
BAnswerBPassivationBisBwhenBaBlayerBofBoxidesBformBonBtheBsurfaceBofBaBmetalBtha
tBprovidesBcorrosionBprotection.
WhatBisBtheBpurposeBofBtheBelectrolyte?B-
BAnswerBToBallowBtheBpassageBofBionsBfromBtheBanodeBtoBtheBcathode.
WhatBisBaBsacrificialBcoating?B-
BAnswerBABsacrificialBcoatingBisBaBcoatingBthatBcontainsBaBmetalB(usuallyBzinc)BthatB
willBcorrodeBinsteadBofBtheBmetalBsubstrate.
WhatBisBanBinhibitiveBcoating?B-
BAnswerBInhibitiveBcoatingsBactBasBaaBbarricadeBtoBslowBdownBtheBreactionBatBtheB
anode,BorBcathode,BorBboth.BTheyBcontainBspecialBpigmentsBthatBreactBwithBmoisture
BorBoxygenBandBformBaBhard,Bnon-
reactiveBsurfaceBfilmBthatBinterferesBwithBtheBcorrosionBprocess.
WhatBareBtheB4BbasicBcomponentsBofBaBcoating?B-BAnswerBPigments
Binder/Resins
, Solvents
Additives
WhatBisBareBpigments?B-
BAnswerBPigmentsBareBtheBsolidBparticlesBthatBgiveBspecificBprotective,Bmechanical,Bo
rBdecorativeBqualitiesBtoBtheBcoating.B
InBitsBunmixedBform,BpigmentsBareBpowders.
WhatBareBbinders/resins?B-
BAnswerBBinders/resinsBareBliquidsBthatBadhereBtoBtheBsubstrateBandBchemicallyBcha
ngeB(cure)BtoBformBaBhard,BprotectiveBfilm.
WhatBareBsolvents?B-
BAnswerBSolventsBareBtheBliquidBcomponentsBofBtheBcoatingBthatBareBresponsibleBfor
BdissolvingBtheBsolidBbinder/resin.
WhatBareBadditives?B-
BAnswerBAdditivesBareBspecialBingredientsBusedBtoBenhanceBtheBperformanceBorBcert
ainBpropertiesBorBcharacteristicsBofBcoatings.B
TheyBareBcommonlyBliquidBcomponentsBthatBareBaddedBinBsmallBamounts.
WhichB3BmaterialsBareBcommonlyBusedBasBgalvanicBanodesBforBcarbonBsteel?B-
BAnswerBZinc
Magnesium
Aluminum
HowBdoesBhighBorBlowBtemperatureBaffectBtheBcorrosionBrate?B-
BAnswerBHighBtempB=BcorrosionBrateBincreases
Questions and Answers
Updated 2026-2027
WhatBisBcorrosion?B-
BAnswerBTheBdeteriorationBofBaBmetalBorBalloyBthatBresultsBfromBanBelectrochemical
BreactionBwithBitsBenvironment.
WhatBneedsBtoBbeBpresentBinBorderBforBcorrosionBtoBoccur?B-BAnswerBAnode
Cathode
MetallicBPathway
Electrolyte
WhatBisBanBanode?B-
BAnswerBTheBanodeBisBtheBareaBofBtheBmetalBsurfaceBthatBcorrodes.BTheBmetalBoxid
izesB(gainsBoxygen),BcausingBitBtoBloseBmassBandBdissolveBintoBtheBelectrolyte.
WhatBisBoxidation?B-
BAnswerBOxidationBisBaBchemicalBreactionBthatBoccursBatBtheBanodeBwhereBtheBmet
alBlosesBelectrons.
WhatBisBaBcathode?B-
BAnswerBTheBcathodeBisBtheBareaBofBtheBmetalBsurfaceBthatBreducesB(losesBoxygen).
WhatBisBreduction?B-
BAnswerBReductionBisBaBchemicalBreactionBthatBoccursBatBtheBcathodeBthatBinvolvesB
theBmetalBgainingBelectrons.
,WhatBisBtheBmetallicBpathway?B-
BAnswerBTheBmetallicBpathwayBconnectsBtheBanodeBtoBtheBcathodeBandBallowsBtheB
passageBofBelectronsBgeneratedBfromBtheBcathodeBtoBtheBanode.
WhatBisBanBelectrolyte?B-
BAnswerBTheBelectrolyteBisBtheBconductiveBmediumB(anyBsolution,BlikeBwater)BinBwhi
chBionsBareBcarriedBfromBtheBanodeBtoBtheBcathode.
WhatBisBaBbarrierBcoating?B-
BAnswerBABbarrierBcoatingBprotectsBtheBsubstrate/metalBbyBprovidingBaBchemicalBand
BphysicalBbarrierBbetweenBtheBmetalBsurfaceBandBtheBenvironment.B
TheBbarrierBcoatingBinterruptsBtheBelectrolyteBofBtheBelectrochemicalBcell.
WhatBisBpassivation?B-
BAnswerBPassivationBisBwhenBaBlayerBofBoxidesBformBonBtheBsurfaceBofBaBmetalBtha
tBprovidesBcorrosionBprotection.
WhatBisBtheBpurposeBofBtheBelectrolyte?B-
BAnswerBToBallowBtheBpassageBofBionsBfromBtheBanodeBtoBtheBcathode.
WhatBisBaBsacrificialBcoating?B-
BAnswerBABsacrificialBcoatingBisBaBcoatingBthatBcontainsBaBmetalB(usuallyBzinc)BthatB
willBcorrodeBinsteadBofBtheBmetalBsubstrate.
WhatBisBanBinhibitiveBcoating?B-
BAnswerBInhibitiveBcoatingsBactBasBaaBbarricadeBtoBslowBdownBtheBreactionBatBtheB
anode,BorBcathode,BorBboth.BTheyBcontainBspecialBpigmentsBthatBreactBwithBmoisture
BorBoxygenBandBformBaBhard,Bnon-
reactiveBsurfaceBfilmBthatBinterferesBwithBtheBcorrosionBprocess.
WhatBareBtheB4BbasicBcomponentsBofBaBcoating?B-BAnswerBPigments
Binder/Resins
, Solvents
Additives
WhatBisBareBpigments?B-
BAnswerBPigmentsBareBtheBsolidBparticlesBthatBgiveBspecificBprotective,Bmechanical,Bo
rBdecorativeBqualitiesBtoBtheBcoating.B
InBitsBunmixedBform,BpigmentsBareBpowders.
WhatBareBbinders/resins?B-
BAnswerBBinders/resinsBareBliquidsBthatBadhereBtoBtheBsubstrateBandBchemicallyBcha
ngeB(cure)BtoBformBaBhard,BprotectiveBfilm.
WhatBareBsolvents?B-
BAnswerBSolventsBareBtheBliquidBcomponentsBofBtheBcoatingBthatBareBresponsibleBfor
BdissolvingBtheBsolidBbinder/resin.
WhatBareBadditives?B-
BAnswerBAdditivesBareBspecialBingredientsBusedBtoBenhanceBtheBperformanceBorBcert
ainBpropertiesBorBcharacteristicsBofBcoatings.B
TheyBareBcommonlyBliquidBcomponentsBthatBareBaddedBinBsmallBamounts.
WhichB3BmaterialsBareBcommonlyBusedBasBgalvanicBanodesBforBcarbonBsteel?B-
BAnswerBZinc
Magnesium
Aluminum
HowBdoesBhighBorBlowBtemperatureBaffectBtheBcorrosionBrate?B-
BAnswerBHighBtempB=BcorrosionBrateBincreases