NACE CP 2 Quiz 4 Questions & Answers 100% Accurate(GRADED A+)

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 - ANSWER-B. In high soil resistivity 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 - ANSWER-All of the above 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 anode D. provide a low resistivity environment around the anode - ANSWER-C. passivate the anode 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 - ANSWER-2 and 3 2. Solar 3. Wind-driven generator A constant potential rectifier provides a constant A. voltage output B. voltages between taps C. structure-to-electrolyte potential D. potential to the SCR - ANSWER-C. structure-to-electrolyte potential The elements of a galvanic cathodic protection system in soil includes which of the following? 1. Active material 2. Noble structure 3. Carbon backfill 4. Wiring - ANSWER-1, 2 and 4 1. Active material 2. Noble structure 4. Wiring An impressed current system is NOT normally practical under which of the following conditions? A. With very small current requirements B. For protection of poorly coated and bare structures C. In high soil resistivity D. Inside water storage tanks - ANSWER-A. With very small current requirements Carbon backfill can be used around which of the