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Passivation: Quiz

  

Question 1: As the uncoated surface is water-soluble a preferred method is to form manganese or zinc compounds by a process commonly known as ________ or phosphate conversion.
CopperPassivationMolybdenumParkerizing

Question 2: Ordinary steel can form a passivating layer in alkali environments, as rebar does in ________.
BrickConcreteRoadStreet

Question 3: ________, however, offer little protection against corrosion.
ScandiumAluminium alloyTitaniumVanadium

Question 4: Pure aluminium naturally forms a tough resistant oxide, ________, almost immediately that protects it from further oxidation in most environments.
Aluminium hydroxideAluminium chlorideAluminium sulfateAluminium oxide

Question 5: Budinski, Kenneth G. (1988), Surface Engineering for Wear Resistance, ________: Prentice Hall .
Englewood Cliffs, New JerseyEdgewater, New JerseyFort Lee, New JerseyBergenfield, New Jersey

Question 6: ________ can be used for handling elemental fluorine, thanks to a passivation layer of nickel fluoride.
ZincIronPalladiumNickel

Question 7: For example, prior to storing hydrogen peroxide in an ________ container, the container can be passivated by rinsing it with a dilute solution of nitric acid and peroxide alternating with deionized water.
TitaniumCopperAluminiumGold

Question 8: In the context of ________, passivation is the spontaneous formation of a hard non-reactive surface film that inhibits further corrosion.
ZincAluminiumCorrosionChlorine

Question 9: Under normal conditions of pH and oxygen ________, passivation is seen in such materials as aluminium, iron, zinc, magnesium, copper, stainless steel, titanium, and silicon.
Total dissolved solidsSolventSolubilityConcentration

Question 10: Brimi, Marjorie A. (1965), Electrofinishing, ________: American Elsevier Publishing Company, Inc .
BrooklynManhattanNew York CityNew York metropolitan area
















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