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NACE CP 2 Quiz 3 Solved 100% Correct
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AC voltages on pipelines do NOT result from A. resistive (conductive) coupling B. electrostatic (capacitive) coupling C. electromagnetic induction coupling D. thermodynamic coupling - ANSWER D. Thermodynamic coupling On a cathodically protected pipeline, AC corrosion can be expected at which current densities? 1. 30 mA/m2 2. 10 A/m2 3. 110 A/m2 4. 200 A/m2 - ANSWER 3 and 4 A close interval potential survey is a test where structure-to-electrolyte potentials are measured
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