Free API API-571 Exam Questions

When caustic stress corrosion cracking is a concern, steam out of _________ carbon steel piping and equipment should be avoided

Corrosion in boiler feedwater and condensate return systems is usually the result of dissolved gases, oxygen and _______.

________ of a component is the most important factor in determining a components resistance to mechanical fatigue.

Spheroidization and graphitization are competing mechanisms that occur at overlapping temperature ranges. Spheroidization tends to occur preferentially above _______ while graphitization predominates below this temperature. 

____________ is a form of environmental cracking that can initiate on the surface of high strength low alloy steels and carbon steels with highly localized zones of high hardness in the weld metal and HAZ as a result of exposure to aqueous HF acid service.