API API-577

Failing the API Welding Inspection And Metallurgy exam means paying the registration fee all over again. A set of 112 updated API-577 practice questions from Dumpkiller costs far less than a retake — a smart investment for 2026 candidates.

API API-577 Exam Overview:

API API-577 Exam Syllabus Topics:

API Welding Inspection And Metallurgy: Common Questions From Candidates

What is the API Welding Inspection And Metallurgy certification exam?

The API Welding Inspection And Metallurgy exam (code: API-577) is the official API exam that leads to the ICP Programs certification. It sits at the Professional level of the API certification track. It is also connected with related credentials such as API 510 Pressure Vessel Inspector, API 570 Piping Inspector, API 653 Aboveground Storage Tank Inspector. Passing it proves to employers that your skills have been validated by API itself, which is why the API-577 credential keeps showing up in job postings.

How many questions are in the API-577 exam, and how long does it take?

The API Welding Inspection And Metallurgy exam gives you 195 minutes to work through 110. Pacing matters more than most candidates expect, so before exam day, run at least one full timed session in the Dumpkiller test engine to learn how long you can afford per question. If an item stalls you, flag it and move on — coming back later beats burning five minutes on a single question.

Are there any prerequisites for the API-577 exam?

According to API, the following applies: Current API 510, API 570, or API 653 certification automatically qualifies a candidate. Otherwise, qualification is based on a combination of education and industry experience in welding inspection or related fields.. Certification policies do change from time to time, so confirm the latest requirements on the official exam page at https://www.api.org/products-and-services/individual-certification-programs/certifications/api577 before you register.

Can I try the API-577 practice questions before buying?

Yes. Dumpkiller offers a free API-577 PDF demo so you can review the question style, difficulty, and explanations before committing to anything. After purchase, your API Welding Inspection And Metallurgy material includes 365 days of free updates, and if your product expires after that, you can extend the update service at a 50% discount from your member zone.

What happens if I do not pass the API-577 exam, and how is my order delivered?

If you take the corresponding API-577 exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee, subject to a few conditions: the failed exam must be the one matching your purchase; sitting the exam within 3 days of purchase does not qualify, since that leaves too little preparation time; downloading the material without actually taking the exam does not qualify; free materials and expired orders are excluded; and the candidate name must match the payer name. To apply, send a scanned copy of your enrollment slip together with your official Score Report (PDF) within 2 days after the exam, and claims are processed within 7 days. If you would rather not take a refund, you can exchange your purchase for two free products of equal value while keeping the update service on the product you originally bought. As for delivery, everything is an instant download: your products are sent to your email within one minute of payment — contact customer service if nothing arrives within 2 hours — and there is no limit on the number of computers you can install the software on.

What topics are covered in the API-577 exam?

The official API Welding Inspection And Metallurgy syllabus is organized into 9 main domains. The first three are Welding Processes, Welding Procedure Qualification, and Welding Inspection. For the full domain-by-domain breakdown, see the complete Exam Topics outline above.

API Welding Inspection And Metallurgy Sample Questions:

Question #1
A limitation of a stud arc welding (SW) process is:

A. Weld is not visible during the welding process.
B. Process is primarily suitable for only carbon steel and low alloy steels.
C. Process is limited to a flat position.
D. Welding rates are significantly lower than those obtained with SMAW.

Question #2
What is the minimum liquid level that should be maintained above the area that is to be hot tapped on a storage tank or vessel?

A. 4 ft. (1200 mm)
B. 1 ft. (300 mm)
C. 3 ft. (900 mm)
D. 2 ft. (600 mm)

Question #3
Which of the following is the test that can measure most aspects of weldability?

A. Weld tension tests
B. There is no single test
C. Bend testing
D. Impact testing

Question #4
API Recommended Practice 577 provides:

A. A definition of welds that should be inspected in refinery and chemical plant equipment.
B. Guidance on the extent and scope of inspection required for specific types of welds.
C. A definition of specific techniques and practices that should be used for welding inspection.
D. Guidance on welding inspection during the fabrication and repairing of refinery equipment and piping.

Question #5
For design purposes, the maximum usefulness of a weldment under test is based upon the:

A. Toughness.
B. Ultimate tensile strength.
C. Yield strength.
D. Hardness.

Solutions: