chapter 3 quiz Flashcards
The positive lead of the rectifier is always connected to the structure.
false
ground bed anodes
In a rectifier, the transformer converts alternating current (AC) to direct current (DC).
false
Magnesium, zinc and aluminum anodes are common ICCP anodes.
false
Galvanic anodes
The department of transportation (DOT) requires the use of CP on residential propane tanks.
false
CP can be used on underground structures, but not submerged structures
false
Which of the following is depicted by this Evans diagram?
- Polarization
- The energy required for anodic protection
- The energy required for cathodic protection
- All of the above
- None of the above
polarization
Solar panels rectify AC to DC
false
Galvanic and impressed current cathodic protection frequently use the same metals for anodes.
false
Per DOT guidelines, water lines must be cathodically protected.
false
CP cannot be used to protect above ground storage tanks.
it depends