NACE CP2 – EXAM QUESTIONS &
ANSWERS 100% CORRECT
Question : NACE 2008 Student Manual!
START OF CHAPTER 1
CORRECT ANSWER :
Question : Corrosion is an electrochemical process involving
- flow of protons and electrons
- flow of neutrons and ions
- flow of protons and ions
- flow of electrons and ions
- flow of resistance and resistivity
CORRECT ANSWER : d
Question : Metal loss or corrosion occurs at the
- cathode
- anode
- electronic path
- metallic path
CORRECT ANSWER: b
Question : What are the four parts of the corrosion cell
- anode, resistor, electrolyte, metallic path
- anode, cathode, electron, electronic path
- anode, cathode, electrolyte, metallic path
CORRECT ANSWER : c
Question : True or False (t or f): Ions exist only in the electrolyte?
CORRECT ANSWER : t
Question : Electrons flow in a corrosion cell by which of the
following paths?
- anode to cathode via electrolyte
- cathode to anode via electronic path
- anode to cathode via electronic path
CORRECT ANSWER : c
Question : At the cathodic surface in a corrosion cell, the
electrons from the ____ meet ____ ions from the solution.
- cathode, hydrogen
- cathode, OH-
- anode, hydrogen
- anode, OH-
CORRECT ANSWER : c
Question : Oxidation of the metal occurs at the ____
surfaces and reduction of ____ ions occurs at the ____.
- anodic, hydrogen, cathodes
- cathode, OH-, anodic
- anodic, OH-, cathodes
- cathode, anodic, electrolyte
- cathode, hydrogen, electrolyte
CORRECT ANSWER : a
Question : True or false
Is oxidation necessarily associated with oxygen?
CORRECT ANSWER : f
Question : Current flow in a corrosion cell flows which path:
- anode to metallic path to cathode
- anode to electronic path to cathode
- cathode to metallic to anode
- cathode to electrolyte to anode
- anode to electrolyte to cathode
CORRECT ANSWER : e
Question : _____ is the measure of the electrochemical
difference between two electrodes in an electrolyte
- current
- resistance
- error
- ohms
- ohms-cm