NACE CP 2 exam 2023 with 100% correct answers

The elements of a corrosion cell include which of the following? 1. Anode 2. Cathode 3. Electrolyte 4. Electronic Path All of the Above Faraday's Law calculates the A. potential of a metal in seawater B. potential of a metal in the metal ion solution C. metal lost based on the resistance D. metal lost due to current over time D. metal Lost due to current over time An environment where cathodic protection is NOT effective is A. liquid B. soil C. atmospherically exposed surface D. steel in concrete C. atmospherically exposed surface Reference electrodes include which of the following? 1. Copper-copper sulfate 2. Hydrogen 3. Calomel 4. Silver-silver chloride All of the above The stability of a copper-copper sulfate reference electrode does not vary with A. temperature B. exposure to sunlight C. an unsaturated solution of copper ions D. a saturated solution of copper ions D. a saturated solution of copper ions The cathodic protection criteria for steel includes which of the following? 1. A potential of -850 mVCSE or more negative with current applied after IR drop is considered 2. A polarized potential of -850 mVCSE or more negative 3. polarization of 100 mV or greater 4. A polarized potential of -790 mV AgAgCl or more negative All of the above