NACE CP1 – Questions and Answers Already Passed

NACE CP1 – Questions and Answers Already Passed corrosion - Answer ️️ -The deterioration of a substance, usually a metal from a reaction with its environment Passivation - Answer ️️ -A layer of oxides formed on the surface of a metal that provides corrosion protection. the elements of a corrosion cell - Answer ️️ -Anode, cathode, metallic pathway, electrolyte what happens at the anode - Answer ️️ -The metal dissolves into the electrolyte the function of the metallic pathway - Answer ️️ -Allows the flow of electrons to connect the corrosion cell galvanic series - Answer ️️ -A listing in order of reactivity ( more or less noble) in seawater 25c The general rules of galvanic corrosion - Answer ️️ -The less noble (more reactive) metal when connected to a more noble (or less reactive metal) will corrode preferentially.