- | P a g e
pg. 1
NACE CP2 EXAM NEWEST 2025 ACTUAL EXAM
TEST BANK| COMPLETE 5 50 REAL EXAM
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) ALREADY
GRADED A+| NACE CP2 EXAM PREP 2025
(BRAND NEW!!)
The driving force for electrochemical corrosion is ____
- current
- voltage
- resistance
- ohms
- siemens-cm - Correct Answer - b
In relation to a corrosion cell, ____ is the net transfer of electric charge per unit time
- current
- voltage
- resistance
- ohms
- siemens-cm - Correct Answer - a
If a metallic path connects two electrodes inside an electrolyte, the ____ difference will cause a ____ to flow between them 1 / 4
- | P a g e
pg. 2
- current, voltage
- resistance, current
- resistance, voltage
- voltage, current
- current, resistance - Correct Answer - d
The more useful method of organizing metals in order of their tendency to corrode is _____
- emf series
- pgp series
- nuclear series
- electron series
- galvanic series - Correct Answer - e
The ____ expresses the exact electromotive force of a cell in terms of the activities of products and reactants of the cell
- Ernest Equation
- Faraday Equation
- Ohm's Law Equation
- Nernst Equation
- Uniform Equation - Correct Answer - d
In reference to the temperature in a corrosion cell, in most cases, electrode at the _____ temperature becomes the ____ 2 / 4
- | P a g e
pg. 3
- lower, anode
- higher, cathode
- lower, cathode
- higher, anode - Correct Answer - d
During metal fabrication of structures, highly stressed areas of a metal will tend to be at ____ energy levels, thus more ____ than less stressed areas
- higher, active
- lower, active
- higher, inactive
- lower, inactive - Correct Answer - a
The two most common types of concentration cells involved in promoting corrosion are ____ and ____.
- oxygen, nonmettalic ion
- oxygen, calcium
- lack of oxygen, metal ion
- oxygen, metal ion - Correct Answer - d
What is the most common of the cathodic depolarizers, that can maintain and promote a cathodic reaction?
A) CO2
- oxygen 3 / 4
- | P a g e
pg. 4
- carbon
D) OH-
- Hydrogen - Correct Answer - b
Which reference electrode is mostly commonly used in seawater?
A) CSE
- Ag/AgCI
- Calomel
- Zinc
- SHE - Correct Answer - b
Which reference electrode is mostly commonly used in concrete structures?
A) CSE
- Ag/AgCI
- Calomel
- Zinc
- SHE - Correct Answer - b
Which of the following is primarily a laboratory electrode?
A) CSE
- Ag/AgCI
- Calomel
- / 4