NACE CP 2 Quiz 3 with Complete Solutions!!

A mitigation bond may cause more problems under which of the following conditions? 1. Where the interfering structure bond point is more electropositive than the interfered with structure 2. Where the interfering structure bond point is more more electronegative than the interfered with structure 3. Where there are more than one, or changing, current discharge points 4. Where the interfering structure bond point potential varies from being more electronegative to more electropositive than the i - ANSWER-1, 3 and 4 1. Where the interfering structure bond point is more electropositive than the interfered with structure 3. Where there are more than one, or changing, current discharge points 4. Where the interfering structure bond point potential varies from being more electronegative to more electropositive than the interfered with structure 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