API certification practice Updated for 2026

API API-577 Welding Inspection and Metallurgy Exam

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129 questions August 14, 2026 90 days free updates Instant access
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Question coverage

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Question types

129total
  • Single Choices 129

Every answer includes an explanation.

Exam topics

01 Welding Processes 28 questions
02 Welding Procedure Specifications (WPSs) and Procedure Qualification Records (PQRs) 18 questions
03 Welder Performance Qualifications (WPQs) 3 questions
04 Nondestructive Examination (NDE) 23 questions
05 Destructive Testing 8 questions
06 Welding Metallurgy 28 questions
07 Welding Inspection 21 questions
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What does the API API-577 exam cover?

The current practice file follows the latest API API-577 objectives and helps you review the knowledge areas tested on exam day.

How should I use the API-577 practice questions?

Start with a diagnostic session, review explanations for missed questions, and repeat timed practice until your score and pacing are consistent.

How long do I receive updates?

Your purchase includes 90 days of free updates so your preparation stays aligned with the current exam.