The free 10-question API 571 check

API 571 · Question 1 of 10Untimed

10 questions, untimed, about 18 minutes. Your score by domain at the end.

Terms, definitions and acronyms

A repair record notes cracking in the HAZ next to a weld. What does HAZ stand for?

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Heat-affected zoneHydrogen-attack zoneHardened-alloy zoneHigh-alloy zone

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Every question is original and written to American Petroleum Institute's published content outline, and every explanation cites the code section or source it relies on.