NACE CP2 EXAMS SET 2026 PRACTICE QUESTIONS AND ANSWERS FULL SOLUTION

NACE CP2 EXAMS SET 2026 PRACTICE
QUESTIONS AND ANSWERS FULL
SOLUTION

●● EMF series.
Answer: The arrangement of elements according to their electrode
potential, or their tendency to corrode vs SHE standard hydrogen
electrode


●● Galvanic Series.
Answer: List of metals and alloys arranged according to their corrosion
potentials in a common electrolyte


●● EMF (electromotive force).
Answer: Driving force for corrosion (voltage difference)


●● Volt.
Answer: joule per coulomb where a joule is a unit of energy


●● Amps (Amperes).
Answer: Rate of flow of charge, 1 coulomb per second

, ●● Metal ion concentration HIGH.
Answer: less active the metal will be in that particular electrolyte


●● Temperature.
Answer: Temp ⬆️ Corrosion ⬆️

Temp Corrosion


●● Dezincification.
Answer: Zinc Corrosion/leaching in brass alloys


●● Graphitic Corrosion.
Answer: Iron Corrosion/leaching in cast and ductile iron


●● Oxygen Concentration.
Answer: Oxygen⬆️ Corrosion ⬇️

Oxygen Corrosion


●● Salt Concentration.
Answer: Salt ⬆️ Corrosion ⬆️

Salt Corrosion