Free API API-571 Exam Dumps Questions & Answers

Decarburization damage is normally verified by:

• A.Impact testing
• B.Bend testing
• C.Metallographic testing
• D.Tensile testing

Which of the following generally manifests itself as a subsurface damage mechanism?

• A.Amine Stress Corrosion Cracking
• B.Caustic Cracking
• C.Sulfide Stress Corrosion Cracking (SCC)
• D.Stress-Oriented Hydrogen-Induced Cracking (SOHIC)

How can temper embrittlement be prevented if a material contains critical levels of the appropriate impurity elements and is exposed in the embrittling temperature range?

• A.Use of a controlled pressurization sequence
• B.Embrittlement cannot be prevented
• C.Specification of Charpy V-notch impact test
• D.Postweld heat treatment (PWHT) of repairs

Brittle fracture of a component is closely related to:

• A.Tensile strength
• B.Number of thermal cycles
• C.Ductility
• D.Material toughness

Damage from oxidation is usually determined by:

• A.Hardness testing
• B.Ultrasonic thickness measurements
• C.Hammer testing
• D.Metallographic examination