API API-571 Exam Practice Questions (P. 1)
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Question #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.
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Question #2
What structure is 304 stainless steel?
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Question #3
_________ is the result of cyclic stress caused by variations in temperature.
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Question #4
General or localized corrosion of carbon steels and other metals caused by dissolved salts, gases, organic compounds or microbiological activities is called ________.
- AFlue Gas Corrosion
- BAtmospheric Corrosion
- CCooling Water Corrosion
- DNone of the Above
- EAll of the Above
Correct Answer:
C
C
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Question #5
What structure is 410 stainless steel?
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Question #6
The sudden rapid fracture under stress (residual or applied) where the material exhibits little or no evidence of ductility or plastic deformation is called _________.
- A885º F Embrittlement
- BTemper Embrittlement
- CStress Corrosion Cracking
- DBrittle Fracture
Correct Answer:
D
D
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Question #7
What structure is 409 stainless steel?
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Question #8
Low alloy steels contain a maximum of _______ chrome.
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Question #9
Which of the following can be affected by 885º F Embrittlement?
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Question #10
For 5Cr-0.5Mo, what is the threshold temperature for creep?
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