API-571 Corrosion and Materials Exam Practice Test

Carbon dioxide corrosion results when CO dissolves in water to form _________ acid.

The regenerator reboiler and the regenerator are areas where the temperature and __________ of the amine stream are the highest and can cause significant corrosion problems.

__________ is a form of damage found mostly in older vintage carbon steels and C-0.5 Mo low alloy steels under the combined effects of deformation and aging at an intermediate temperature.

SOHIC is driven by localized stresses so that __________ is somewhat effective in preventing SOHIC damage.

________ greatly increases the probability and severity of blistering, HIC and SOHIC damage.

Corrosion due to acidic sour water containing HS at a pH between 4.5 and 7.0 is called sour water corrosion. Carbon dioxide (CO) may also be present. Which of the following materials is susceptible to sour water corrosion?

Although cracks may be seen visually, crack detection for caustic stress corrosion cracking is best detected by WFMT, EC, RT and ______.