NACE CIP Level 1 Study Guide Questions and Answers Latest 2024/2025.

NACE CIP Level 1 Study Guide Questions and Answers Latest 2024/2025. What is Passivation? - AnswerA layer of oxides formed on the surface of a metal that provides corrosion protection. What is an example of passivation? - AnswerStainless Steel What are the elements of a corrosion cell? - AnswerAnode, Cathode, Metallic Pathway, Electrolyte Describe what happens at the anode. - AnswerThe metal dissolves into the electrolyte What is the function of the electrolyte? - AnswerAllows the passage of ions to connect the corrosion cell What is the function of the metallic pathway? - AnswerAllows the flow of electrons to connect the corrosion cell What is the galvanic series? - AnswerA listing of metals in order of reactivity (more or less noble) in seawater at 25 C The general rules of galvanic corrosion are: - AnswerThe more reactive metal --when connected to the less reactive (more noble) metal -- will corrode preferentially Name the five (5) most important factors that affect the *rate of corrosion.* - AnswerHumidity, oxygen, chemical salts, pollutants, temperature General corrosion is: - AnswerResults in a relatively *uniform* loss of material over the entire surface, Results in a general thinning of the affected surface, Relatively easy to inspect, Does not casue catastrophic failures