Corrosion due to difference in water level is __________
A. Soil corrosion
B. Oxidation corrosion
C. Pitting corrosion
D. Water line corrosion
The question was asked by my college professor while I was bunking the class.
Query is from Types of Corrosion and Passivity topic in section Electro Chemical Cells and Corrosion of Applied Chemistry
Right choice is D. Water line corrosion
Explanation: Corrosion due to the difference in water level is water line corrosion. Corrosion due to the formation of varying concentrations of the aeration.