Question

What is liquid-line corrosion?

(a) Corrosion on the external surface of a fully-loaded water tank

(b) Corrosion at the interface of liquid and gases in a pipeline or tank

(c) Preferential corrosion of rivets over sheets in a storage container

(d) Corrosion on the external surface of a half-loaded storage tank

I got this question in semester exam.

The query is from Testing topic in chapter Corrosion Testing of Corrosion Engineering

Answer 1

The correct option is (b) Corrosion at the interface of liquid and gases in a pipeline or tank

Best explanation: Liquid-line corrosion is a special type of corrosion that occurs at the interface of liquid and gas in a pipeline or tank. It occurs due to the availability of water vapor and oxygen at the interface along with impurities.