NACE (National Association of Corrosion Engineers) CP2 EXAM
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1. NACE 2008 Student Manual!
START OF CHAPTER 1
Corrosion is an electrochemical process involving
A) flow of protons and electrons
B) flow of neutrons and ions
C) flow of protons and ions
D) flow of electrons and ions
E) flow of resistance and resistivity: d
2. Metal loss or corrosion occurs at the
A) cathode
B) anode
C) electronic path
D) metallic path: b
3. What are the four parts of the corrosion cell
A) anode, resistor, electrolyte, metallic path
B) anode, cathode, electron, electronic path
C) anode, cathode, electrolyte, metallic path: c
4. True or False (t or f):
Ions exist only in the electrolyte?: t
5. Electrons flow in a corrosion cell by which of the following paths?
A) anode to cathode via electrolyte
B) cathode to anode via electronic path
C) anode to cathode via electronic path: c
6. At the cathodic surface in a corrosion cell, the electrons from the ____ meet
____ ions from the solution.
A) cathode, hydrogen
B) cathode, OH-
, NACE (National Association of Corrosion Engineers) CP2 EXAM
Study online at https://quizlet.com/_1btmnk
C) anode, hydrogen
D) anode, OH-: c
7. Oxidation of the metal occurs at the ____
surfaces and reduction of ____ ions occurs at the ____.
A) anodic, hydrogen, cathodes
B) cathode, OH-, anodic
C) anodic, OH-, cathodes
D) cathode, anodic, electrolyte
E) cathode, hydrogen, electrolyte: a
8. True or false
Is oxidation necessarily associated with oxygen?: f
9. _____ is the measure of the electrochemical difference between two elec-
trodes
in an electrolyte
A) current
B) resistance
C) error
D) ohms
E) ohms-cm
F) voltage: f
10. The ________
represents the reversible work to move a unit charge from the electrode sur-
face
through the solution to the reference electrode
A) current potential
B) electrode potential
C) resistance potential
, NACE (National Association of Corrosion Engineers) CP2 EXAM
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D) ohms potential
E) Faraday potential: b
11. Metals occur in nature in the form of various chemical compounds referred
to as
___
A) ores
B) anodic metals
C) cathodic metals
D) carbohydrates: a
12. The amount of energy required by a metal during the refining
process determines the ___ or _______ of the metal.
A) current, active state
B) voltage, active state
C) active resistance, voltage
D) resistance, active state
E) current, active resistance: b
13. During the refining stage of metal the ____ the energy, the more ____
the metal and the more tendency it has to corrode.
A) higher, inactive
B) lower, active
C) higher, active
D) lower, inactive: c
14. What is the most common iron ore?
A) hemophite
B) hematite
C) magnesium
D) calcium
E) aluminum: b
, NACE (National Association of Corrosion Engineers) CP2 EXAM
Study online at https://quizlet.com/_1btmnk
15. True or false
Iron is considered thermodynamically unstable?: t
16. True or false
Gold is more noble than zinc?: t
17. Which of the following metals is most active?
A) magnesium
B) copper
C) iron
D) nickel
E) platinum: a
18. Electromotive force (emf), is ____ in sign and magnitude to the electrode
potential of the ___ less the electrode potential of the ____.
A) unequal, cathode, anode
B) unequal, anode, cathode
C) equal, cathode, anode
D) equal, anode, cathode: d
19. The driving force for electrochemical corrosion is ____
A) current
B) voltage
C) resistance
D) ohms
E) siemens-cm: b
20. In relation to a corrosion cell, ____ is the net transfer of electric charge per
unit time
A) current
B) voltage
C) resistance
Study online at https://quizlet.com/_1btmnk
1. NACE 2008 Student Manual!
START OF CHAPTER 1
Corrosion is an electrochemical process involving
A) flow of protons and electrons
B) flow of neutrons and ions
C) flow of protons and ions
D) flow of electrons and ions
E) flow of resistance and resistivity: d
2. Metal loss or corrosion occurs at the
A) cathode
B) anode
C) electronic path
D) metallic path: b
3. What are the four parts of the corrosion cell
A) anode, resistor, electrolyte, metallic path
B) anode, cathode, electron, electronic path
C) anode, cathode, electrolyte, metallic path: c
4. True or False (t or f):
Ions exist only in the electrolyte?: t
5. Electrons flow in a corrosion cell by which of the following paths?
A) anode to cathode via electrolyte
B) cathode to anode via electronic path
C) anode to cathode via electronic path: c
6. At the cathodic surface in a corrosion cell, the electrons from the ____ meet
____ ions from the solution.
A) cathode, hydrogen
B) cathode, OH-
, NACE (National Association of Corrosion Engineers) CP2 EXAM
Study online at https://quizlet.com/_1btmnk
C) anode, hydrogen
D) anode, OH-: c
7. Oxidation of the metal occurs at the ____
surfaces and reduction of ____ ions occurs at the ____.
A) anodic, hydrogen, cathodes
B) cathode, OH-, anodic
C) anodic, OH-, cathodes
D) cathode, anodic, electrolyte
E) cathode, hydrogen, electrolyte: a
8. True or false
Is oxidation necessarily associated with oxygen?: f
9. _____ is the measure of the electrochemical difference between two elec-
trodes
in an electrolyte
A) current
B) resistance
C) error
D) ohms
E) ohms-cm
F) voltage: f
10. The ________
represents the reversible work to move a unit charge from the electrode sur-
face
through the solution to the reference electrode
A) current potential
B) electrode potential
C) resistance potential
, NACE (National Association of Corrosion Engineers) CP2 EXAM
Study online at https://quizlet.com/_1btmnk
D) ohms potential
E) Faraday potential: b
11. Metals occur in nature in the form of various chemical compounds referred
to as
___
A) ores
B) anodic metals
C) cathodic metals
D) carbohydrates: a
12. The amount of energy required by a metal during the refining
process determines the ___ or _______ of the metal.
A) current, active state
B) voltage, active state
C) active resistance, voltage
D) resistance, active state
E) current, active resistance: b
13. During the refining stage of metal the ____ the energy, the more ____
the metal and the more tendency it has to corrode.
A) higher, inactive
B) lower, active
C) higher, active
D) lower, inactive: c
14. What is the most common iron ore?
A) hemophite
B) hematite
C) magnesium
D) calcium
E) aluminum: b
, NACE (National Association of Corrosion Engineers) CP2 EXAM
Study online at https://quizlet.com/_1btmnk
15. True or false
Iron is considered thermodynamically unstable?: t
16. True or false
Gold is more noble than zinc?: t
17. Which of the following metals is most active?
A) magnesium
B) copper
C) iron
D) nickel
E) platinum: a
18. Electromotive force (emf), is ____ in sign and magnitude to the electrode
potential of the ___ less the electrode potential of the ____.
A) unequal, cathode, anode
B) unequal, anode, cathode
C) equal, cathode, anode
D) equal, anode, cathode: d
19. The driving force for electrochemical corrosion is ____
A) current
B) voltage
C) resistance
D) ohms
E) siemens-cm: b
20. In relation to a corrosion cell, ____ is the net transfer of electric charge per
unit time
A) current
B) voltage
C) resistance
