Question

Which of the following corrosion testing describe the test for crevice corrosion?

(a) Occluded cell corrosion

(b) Galvanic effect

(c) Atmospheric exposure testing

(d) Kesternich chamber testing

I got this question during an interview.

My question is based upon Eight Forms in portion Eight Forms of Corrosion of Corrosion Engineering

Answer 1

Correct option is (a) Occluded cell corrosion

The explanation is: Occluded cell corrosion is a corrosion testing that describes crevice corrosion. In this test, a narrow gap is maintained between two metal in a stagnant corrosive solution. An occluded cell is also known as crevice corrosion.