Prevention of Corrosion — Prelims Questions

Which of the following methods provides both barrier and sacrificial protection to iron?

In cathodic protection using a sacrificial anode, which of the following metals would be most suitable to protect an underground iron pipeline?

Which of the following statements about anodic inhibitors is INCORRECT?

Stainless steel exhibits excellent corrosion resistance primarily due to:

Which of the following is NOT a method of barrier protection against corrosion?

Anodic protection is a suitable method for metals that exhibit: