NACE (NATIONAL ASSOCIATION OF CORROSION ENGINEERS) CP2 EXAM QUESTIONS | TESTED AND PROVEN ANSWERS | LATEST UPDATE 2024/2025 100% (GRADE A+

NACE (NATIONAL ASSOCIATION OF CORROSION
ENGINEERS) CP2 EXAM QUESTIONS | TESTED AND
PROVEN ANSWERS | LATEST UPDATE 2024/2025
100% (GRADE A+)
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


Ans>> d




Metal loss or corrosion occurs at the




A) cathode

1

,B) anode


C) electronic path


D) metallic path


Ans>> b




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


Ans>> c




True or False (t or f):




Ions exist only in the electrolyte?


Ans>> t




2

,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


Ans>> c




At the cathodic surface in a corrosion cell, the electrons from the ____ meet ____ ions from the

solution.




A) cathode, hydrogen


B) cathode, OH-


C) anode, hydrogen


D) anode, OH-


Ans>> c




Oxidation of the metal occurs at the ____


3

, 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


Ans>> a




True or false




Is oxidation necessarily associated with oxygen?


Ans>> f




Current flow in a corrosion cell flows which path:




A) anode to metallic path to cathode

4