API Corrosion and Materials Professional - API-571 Exam Questions
QUESTION NO: 1
Boiler water condensate corrosion is caused primarily by:
Boiler water condensate corrosion is caused primarily by:
Correct Answer: A
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QUESTION NO: 2
The likelihood of brittle fracture is best lessened by:
The likelihood of brittle fracture is best lessened by:
Correct Answer: B
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QUESTION NO: 3
Which type of corrosion is most likely to occur in hydroprocess reactor effluent streams in units producing alkaline sour water?
Which type of corrosion is most likely to occur in hydroprocess reactor effluent streams in units producing alkaline sour water?
Correct Answer: A
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QUESTION NO: 4
An NPS 3/4 (DN 20) carbon steel unsupported high-point vent on a steam line has failed by cracking.
The most likely cause is:
An NPS 3/4 (DN 20) carbon steel unsupported high-point vent on a steam line has failed by cracking.
The most likely cause is:
Correct Answer: C
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QUESTION NO: 5
Which of the following is considered resistant to cracking in hydrofluoric acid service?
Which of the following is considered resistant to cracking in hydrofluoric acid service?
Correct Answer: C
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QUESTION NO: 6
300 series austenitic stainless steels susceptible to polythionic acid stress corrosion cracking (PTA SCC) can become sensitized when heated in the range of:
300 series austenitic stainless steels susceptible to polythionic acid stress corrosion cracking (PTA SCC) can become sensitized when heated in the range of:
Correct Answer: B
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QUESTION NO: 7
Short-term stress rupture is a/an:
Short-term stress rupture is a/an:
Correct Answer: D
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QUESTION NO: 8
Which of the following is the best description of the surface appearance of metals with chloride stress corrosion cracking?
Which of the following is the best description of the surface appearance of metals with chloride stress corrosion cracking?
Correct Answer: A
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