Question

Which of the following type of brasses is/are highly prone to the uniform or layer-type dezincification?

(a) Low brasses

(b) High brasses

(c) Low and high brasses

(d) Neither high nor low brasses

This question was addressed to me in an interview for job.

The doubt is from Eight Forms in portion Eight Forms of Corrosion of Corrosion Engineering

Answer 1

Right choice is (b) High brasses

To elaborate: The composition of high brasses is usually 65% copper and 35% zinc. High brasses are highly prone to the uniform or layer-type dezincification in acidic environments.