NACE CP 2 Quiz 4 Questions and Answers 2023
1. A galvanic anode system is NOT normally suitable in which of the following conditions? A. When a small amount of current is required B. In high soil resistivity C. For localized protection D. For interference mitigation B. In high soil resistivity 2. Proper operation of a rectifier can be confirmed by which of the following? 1. DC current output 2. DC voltage output 3. Tap setting 4. Potential at a control point All of the above 3. The purpose of the galvanic anode backfill is NOT to A. prevent passivation of the anode B. create uniform corrosion of the anode C. passivate the anode2 / 8 D. provide a low resistivity environment around the anode C. passivate theanode 4. Which of the following DC power supplies are commonly used to charge batteries that in turn provide cathodic protection current? 1. Thermoelectric generators 2. Solar 3. Wind-driven generator 4. Saturable reactor 2 and 3 2. Solar 3. Wind-driven generator 5. A constant potential rectifier provides a constant A. voltage output B. voltages between taps C. structure-to-electrolyte potential D. potential to the SCR C. structure-to-electrolyte potential3 / 8 6. The elements of a galvanic cathodic protection system in soil includes which of the following? 1. Active material 2. Noble stru
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