Which of the following material is/are used as an impressed-currents anode?
(a) Graphite
(b) Platinized titanium
(c) Silicon-iron
(d) Graphite, platinized titanium, and silicon-iron
I got this question during an online exam.
I'd like to ask this question from Cathodic and Anodic Protection in chapter Corrosion Prevention of Corrosion Engineering