API 571 Exam with Questions and Answers
API 571 Exam with Questions and Answers 1. __________ is a change in the microstructure of certain carbon steels and 0.5 Mo steels after long term operation in the 800º F to 1100º F range. A. Graphitization B. Softening C. Temper Embrittlement D. Creep ANSWER A 2. What structure is 304 stainless steel? A. Martensitic B. Austenitic C. Duplex D. Ferritic ANSWER B 3. _________ is the result of cyclic stress caused by variations in temperature. A. Creep B. Thermal Fatigue C. Cyclic Cracking D. Stress Corrosion Cracking ANSWER B 4. General or localized corrosion of carbon steels and other metals caused by dissolved salts, gases, organic compounds or microbiological activities is called ________. A. Flue Gas Corrosion
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- API 571
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- June 6, 2025
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api 571 exam with questions and answers