Question

Which of the following is/are the preventions of stray current effect in an underground channel?

(a) Use of bus conductor

(b) Rearrangement of anodes

(c) Use of bus conductor and rearrangement of anodes

(d) Neither use of bus conductor nor rearrangements of anodes

The question was asked in final exam.

Question is taken from Cathodic and Anodic Protection in portion Corrosion Prevention of Corrosion Engineering

Answer 1

Correct choice is (c) Use of bus conductor and rearrangement of anodes

For explanation: Stray current effect caused due to the densely buried underground pipelines in the vicinity of the cathodic protection system. It can be prevented by the use of bus conductors and rearrangements of anodes.