chapter 3 quiz

Question 1

The positive lead of the rectifier is always connected to the structure.

Answer 1

false

ground bed anodes

Question 2

In a rectifier, the transformer converts alternating current (AC) to direct current (DC).

Answer 2

false

Question 3

Magnesium, zinc and aluminum anodes are common ICCP anodes.

Answer 3

false

Galvanic anodes

Question 4

The department of transportation (DOT) requires the use of CP on residential propane tanks.

Answer 4

false

Question 5

CP can be used on underground structures, but not submerged structures

Answer 5

false

Question 6

Which of the following is depicted by this Evans diagram?

1. Polarization
2. The energy required for anodic protection
3. The energy required for cathodic protection
4. All of the above
5. None of the above

Answer 6

polarization

Question 7

Solar panels rectify AC to DC

Answer 7

false

Question 8

Galvanic and impressed current cathodic protection frequently use the same metals for anodes.

Answer 8

false

Question 9

Per DOT guidelines, water lines must be cathodically protected.

Answer 9

false

Question 10

CP cannot be used to protect above ground storage tanks.

Answer 10

it depends