Question

Which of the following is/are the unique advantages of anodic protection?

(a) To monitor instantaneous corrosion rate

(b) Operating conditions can be established in the lab

(c) It is applicable for all type of metals

(d) To monitor instantaneous corrosion rate and operating conditions can be established in the lab

I have been asked this question in unit test.

The doubt is from Cathodic and Anodic Protection in section Corrosion Prevention of Corrosion Engineering

Answer 1

Right answer is (d) To monitor instantaneous corrosion rate and operating conditions can be established in the lab

To explain: Unique advantages of anodic protection are:

i.  To monitor the instantaneous corrosion rate of a metal

ii. Operating condition of anodic protection can be precisely established in the lab.