2025 NACE CP2 EXAM 3 TEST BANK WITH 4 DIFFERENT UPDATED VERSIONS AND A STUDY GUIDE ACTUAL QUESTIONS AND CORRECT ANSWERS

NACE CP2 - Exam 2023 Questions and AnswersP P P P P P P




1. NACE 2008 Student Manual!
P P P P




START OF CHAPTER 1
P P P




Corrosion is an electrochemical process involving
P P P P P




A) flow of protons and electrons
P P P P




B) flow of neutrons and ions
P P P P




C) flow of protons and ions
P P P P




D) flow of electrons and ions
P P P P




E) flow of resistance and resistivity: d
P P P P P




2. Metal loss or corrosion occurs at the
P P P P P P




A) cathode
B) anode
C) electronic path P




D) metallic path: b P P




3. What are the four parts of the corrosion cell
P P P P P P P P




A) anode, resistor, electrolyte, metallic path
P P P P




B) anode, cathode, electron, electronic path
P P P P




C) anode, cathode, electrolyte, metallic path: c
P P P P P




4. True or False (t or f)
P P P P P

1P/P100

,Ions exist only in the electrolyte?: t
P P P P P P




5. Electrons flow in a corrosion cell by which of the following paths?
P P P P P P P P P P P




A) anode to cathode via electrolyte
P P P P




B) cathode to anode via electronic path
P P P P P




C) anode to cathode via electronic path: c
P P P P P P




6. At the cathodic surface in a corrosion cell, the electrons from the
P P P P P P P P P P P PP




meet
P ions from the solution. P P P




A) cathode, hydrogen P




B) cathode, OH- P




C) anode, hydrogenP




D) anode, OH-: c P P




7. Oxidation of the metal occurs at the
P P P P P P PP




surfaces and reduction of
P P P ions occurs at the
P P P .




2P/P100

,A) anodic, hydrogen, cathodes P P




B) cathode, OH-, anodic P P




C) anodic, OH-, cathodes P P




D) cathode, anodic, electrolyte P P




E) cathode, hydrogen, electrolyte: a P P P




8. True or falseP P




Is oxidation necessarily associated with oxygen?: f
P P P P P P




9. Current flow in a corrosion cell flows which path:
P P P P P P P P




A) anode to metallic path to cathode
P P P P P




B) anode to electronic path to cathode
P P P P P




C) cathode to metallic to anode P P P P




D) cathode to electrolyte to anode P P P P




E) anode to electrolyte to cathode
P P P P




Voltage is the measure of the electrochemical difference between two elec-
P P P P P P P P P P




trodes
P




in an electrolyte: e
P P P




10. P


is the measure of the electrochemical difference between twoelectro
P P P P P P P P P




des
in an electrolyte
P P




3P/P100

, A) current
B) resistance
C) error
D) ohms
E) ohms-cm
F) voltage: f P




11. The PP




represents the reversible work to move a unit charge from the electrodes
P P P P P P P P P P P P




urface
through the solution to the reference electrode
P P P P P P




A) current potential
P




B) electrode potential P




4P/P100