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API-577 Online Test Engine
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- Total Questions: 112
- Updated on: Oct 15, 2026
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- Total Questions: 112
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- Total Questions: 112
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One exam, three ways to prepare: ITCertMagic delivers the API-577 question bank as a printable PDF, a Windows desktop test engine, and a browser-based online engine. All 112 practice questions for the API Welding Inspection And Metallurgy are identical across formats — only your study style decides which one you open first.
API API-577 Exam Overview:
| Certification Vendor: | American Petroleum Institute |
|---|---|
| Exam Name: | API 577 - Welding Inspection and Metallurgy |
| Exam Number: | API 577 |
| Related Certifications: | API 510 API 653 API 570 |
| Exam Format: | Multiple Choice Exam |
| Available Languages: | English |
| Recommended Training: | API 577 Training Courses (API or approved providers) American Welding Society (AWS) Training Resources |
| Exam Registration: | API Individual Certification Programs (ICP) Pearson VUE API Exams |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Computer-based exam delivered via authorized test centers (commonly Pearson VUE network) or approved proctoring arrangements. |
| Pre Condition: | Recommended experience in welding, fabrication, or inspection in the oil and gas or related industries; familiarity with ASME/API codes is beneficial. |
| Official Syllabus URL: | https://www.api.org/products-and-services/individual-certification-programs |
API API-577 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Welding Defects and Imperfections | - Causes and prevention of weld discontinuities - Cracks, porosity, slag inclusion, and lack of fusion |
| Topic 2: Welding Procedures and Qualification | - WPS, PQR, and welder performance qualification - Applicable codes and standards overview |
| Topic 3: Inspection and Testing Methods | - Visual inspection techniques and acceptance criteria - NDE methods (RT, UT, PT, MT) overview |
| Topic 4: Welding Processes and Techniques | - Welding parameters and heat input fundamentals - Common welding processes (SMAW, GTAW, GMAW, SAW) |
| Topic 5: Welding Metallurgy | - Heat affected zone (HAZ) behavior and properties - Steel microstructures and phase transformations |
API API-577 Exam FAQs: Before You Book Your Seat
Registration for the API Welding Inspection And Metallurgy goes through the official channels listed here:
As for the format, the API-577 exam is delivered Computer-based exam delivered via authorized test centers (commonly Pearson VUE network) or approved proctoring arrangements. — pick whichever fits your situation when you schedule.
The official API Welding Inspection And Metallurgy blueprint is divided into 5 domains, led by Welding Processes and Techniques, Inspection and Testing Methods, and Welding Defects and Imperfections. The full domain-by-domain breakdown is in the syllabus section above — that is the checklist your study plan should follow.
You can. ITCertMagic publishes a free PDF demo of the API-577 practice questions — download it, work through it, and decide on evidence rather than promises. Once you own the full product, 365 days of free updates are included, and an expired product can have its update service renewed at a 50% discount from your member zone.
The API-577 exam — officially the Welding Inspection And Metallurgy — is how API verifies that you can apply its technologies in real working scenarios, and passing it earns you the API 577 Welding Inspection and Metallurgy certification, a credential at the Professional level. Employers recognize it because it is vendor-issued and skills-based. Candidates often continue toward related credentials such as API 510, API 570, API 653 once this one is in hand.
Yes — API lists these training options for the API Welding Inspection And Metallurgy:
- API 577 Training Courses (API or approved providers)
- American Welding Society (AWS) Training Resources
Courseware teaches the concepts; repetition makes them exam-proof. Combine whichever course you choose with the 112 practice questions from ITCertMagic and you cover both halves of preparation.
First, delivery: your download is available immediately after payment, and the package also arrives in your email within one minute. If 2 hours pass with nothing in your inbox, check spam and contact support — and feel free to install the software on as many computers as you like, there is no device limit.
Second, the safety net: if you sit the API-577 exam within 60 days of purchase and do not pass, the ITCertMagic money back guarantee entitles you to a full refund. File the claim within 2 days of the exam with a scanned enrollment slip and your official score report (PDF); claims are processed within 7 days. The candidate name must match the payer name, and the guarantee excludes exams taken within 3 days of purchase, purchases never used in an actual exam attempt, free materials, and expired orders. If you would rather keep studying, you can swap the product for two free exam packages of equal value and keep the update service on your original purchase.
Recommended experience in welding, fabrication, or inspection in the oil and gas or related industries; familiarity with ASME/API codes is beneficial.
Vendor policies shift from time to time, so treat this as your starting point and verify the current criteria on the official API exam page before you schedule anything.
API Welding Inspection And Metallurgy Sample Questions:
What is the most capable NDE method for finding a discontinuity such as incomplete fusion in a joint?
- A. RT
- B. MT
- C. ET
- D. UT
Correct Answer: D 🗳️
For hot tap and in-service welding, above what carbon equivalent limit is it recommended to use extra low hydrogen electrodes to weld carbon steels?
- A. 0.48%
- B. 0.30%
- C. 0.35%
- D. 0.42%
Correct Answer: D 🗳️
Which welding process has been associated most with lack of fusion with shop-fabricated piping?
- A. FCAW-SW
- B. GMAW-S
- C. FCAW
- D. GMAW-SF
Correct Answer: B 🗳️
If a nonessential variable is changed on a WPS, which of the following actions must occur?
- A. The welding inspector can simply make the change on the WPS and initial as proof of acceptance.
- B. It may be changed on the WPS without requalifying the welding procedure.
- C. Impact testing must be performed at the discretion of the welding engineer.
- D. The welding procedure will need to be requalified by performing mechanical testing.
Correct Answer: B 🗳️
Items to be included in the WPS for GMAW process are:
- A. Base metal P-number and deposited metal thickness.
- B. Electrode-flux class and electrical characteristics.
- C. Joint design and test coupon thickness.
- D. Type of welding process and test coupon thickness.
Correct Answer: D 🗳️
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