Question

Which of the following is not a design rule for corrosion prevention?

(a) Riveting the tanks rather than welding

(b) Specify operating and maintenance procedures

(c) Tank bottoms should be sloped toward drain holes

(d) Avoid electrical contact between dissimilar metals

The question was asked in homework.

Question is from Prevention topic in chapter Corrosion Prevention of Corrosion Engineering

Answer 1

Correct choice is (a) Riveting the tanks rather than welding

To explain: Certain design rules can reduce or minimize the effect of corrosion. That includes welding the tanks rather than riveting. This eliminates the formation of crevices at the riveting area and avoids crevice corrosion.