Online Access Free API-571 Exam Questions

(Repeated) The best method for finding damage from sigma phase embrittlement is:

• A.Ductility testing
• B.Magnetic particle testing
• C.Hardness testing
• D.Metallographic testing

(What nondestructive examination (NDE) technique requires the least amount of surface preparation to locate wet H#S damage mechanisms?)

• A.LPT
• B.WFMT
• C.SWUT
• D.ACFM

To avoid cooling water scaling, process side inlet temperatures should be below:

• A.140°F (60°C)
• B.175°F (79°C)
• C.212°F (100°C)
• D.150°F (66°C)

The most effective mitigation for amine stress corrosion cracking is:

• A.Changing amine solution concentration
• B.Adding 0.2% water to the amine solution
• C.Operating below 140°F (60°C)
• D.Post-weld heat treatment

Which type of corrosion is most likely to occur in hydroprocess reactor effluent streams in units producing alkaline sour water?

• A.Caustic
• B.Ammonium chloride
• C.Ammonium bisulfide
• D.Amine