NACE 3 STUDY GUIDE Chapters 1-5 with all Correct &
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1. Corrosion description
GradedIs A+
usually described by its results. Familiar terms
in-
clude rust, scaling, discoloration, oxidation,
pitting, etc.
2. Corrosion The deterioration of a substance, usually a metal,
or its properties because of a reaction with its
environment.
3. The most common product of Oxide of iron "rust"
corro- sion is an
4. Passivation The formation of a thin, tightly adherent surface
layer. Formed from the corrosion product, that
slows the rate of corrosion.
5. All corrosion of iron at normal an electrochemical process.
ambi- ent conditions is
6. How do electrons and ions travel. Electrons travel through metal, Ions travel
through an
electrolyte.
7. Corrosion is established as DC circuits.
8. The greater the flow in the The greater the metal loss.
corrosion circuit.
9. Anode is the part of the metal that corrodes (i.e.,
dissolves in the electrolyte).
10. The metal that dissolves is does positively charged ions.
so in the form of
11. Metal deterioration occurs at the Anode. It is the portion of the cell that where
metallic
, NACE 3 STUDY GUIDE Chapters 1-5 with all Correct &
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Gradediron
A+ is first converted to another substance.
12. Cations positively charged ions
, NACE 3 STUDY GUIDE Chapters 1-5 with all Correct &
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13. Cathode Gradedis A+
the more noble region on the electrode
(metal sur- face) where the electrons are
consumed.
14. While oxidation occurs at the Anode, Cathode
,
reduction occurs at the
15. Metallic Pathway Metal connecting an anode to a cathode in a
corrosion cell and allows for the passage of
electrons. Generated at the anode, to the
cathode.
16. Electrolyte The medium that conducts the ionic (rather than
elec- tronic) current.
17. Ions positively and negatively charged atoms.
18. If anodes and cathodes localized and pitting corrosion occurs.
remain in the same place for a
period of time, the corrosion is,
19. Mill Scale is: A blue-black layer of iron oxide
Cathodic relative to the
substrate Generally removed
prior to painting.
20. Galvanic Series is a list of materials in order of their corrosion
potential, with the most easily corroded or, or
most active, at the top, and the least easily
corroded or least active, at the bottom. is sea
water at 25 degrees c.
21. Factors that affect the rate of corro- Oxygen:
sion Temperature:
100% Verified Answers |Latest Update| Already
1. Corrosion description
GradedIs A+
usually described by its results. Familiar terms
in-
clude rust, scaling, discoloration, oxidation,
pitting, etc.
2. Corrosion The deterioration of a substance, usually a metal,
or its properties because of a reaction with its
environment.
3. The most common product of Oxide of iron "rust"
corro- sion is an
4. Passivation The formation of a thin, tightly adherent surface
layer. Formed from the corrosion product, that
slows the rate of corrosion.
5. All corrosion of iron at normal an electrochemical process.
ambi- ent conditions is
6. How do electrons and ions travel. Electrons travel through metal, Ions travel
through an
electrolyte.
7. Corrosion is established as DC circuits.
8. The greater the flow in the The greater the metal loss.
corrosion circuit.
9. Anode is the part of the metal that corrodes (i.e.,
dissolves in the electrolyte).
10. The metal that dissolves is does positively charged ions.
so in the form of
11. Metal deterioration occurs at the Anode. It is the portion of the cell that where
metallic
, NACE 3 STUDY GUIDE Chapters 1-5 with all Correct &
100% Verified Answers |Latest Update| Already
Gradediron
A+ is first converted to another substance.
12. Cations positively charged ions
, NACE 3 STUDY GUIDE Chapters 1-5 with all Correct &
100% Verified Answers |Latest Update| Already
13. Cathode Gradedis A+
the more noble region on the electrode
(metal sur- face) where the electrons are
consumed.
14. While oxidation occurs at the Anode, Cathode
,
reduction occurs at the
15. Metallic Pathway Metal connecting an anode to a cathode in a
corrosion cell and allows for the passage of
electrons. Generated at the anode, to the
cathode.
16. Electrolyte The medium that conducts the ionic (rather than
elec- tronic) current.
17. Ions positively and negatively charged atoms.
18. If anodes and cathodes localized and pitting corrosion occurs.
remain in the same place for a
period of time, the corrosion is,
19. Mill Scale is: A blue-black layer of iron oxide
Cathodic relative to the
substrate Generally removed
prior to painting.
20. Galvanic Series is a list of materials in order of their corrosion
potential, with the most easily corroded or, or
most active, at the top, and the least easily
corroded or least active, at the bottom. is sea
water at 25 degrees c.
21. Factors that affect the rate of corro- Oxygen:
sion Temperature:
