API Welding Inspection And Metallurgy : API-577 Exam

  • Exam Code: API-577
  • Exam Name: Welding Inspection And Metallurgy
  • Updated: Sep 22, 2026
  • Q & A: 112 Questions and Answers

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About API Welding Inspection And Metallurgy : API-577 Exam Questions

Practice questions should stay close to the real exam. VCEEngine updates the API Welding Inspection And Metallurgy engine according to actual exam changes — 112 practice questions for the API-577 exam, always relevant in 2026.

API API-577 Exam Overview:

Certification Vendor:American Petroleum Institute (API)
Exam Name:Welding Inspection and Metallurgy
Exam Number:API-577
Real Exam Qty:110
Exam Duration:195 minutes
Exam Format:Multiple-choice questions, Closed-book exam
Related Certifications:API 510 Pressure Vessel Inspector
API 570 Piping Inspector
API 653 Aboveground Storage Tank Inspector
Certificate Validity Period:3 years
Available Languages:English
Passing Score:Scaled passing score
Sample Questions:Free Download real API-577 actual tests
Exam Way:Computer-based exam available through in-person testing centers or remote online proctoring.
Pre Condition: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.
Official Syllabus URL:https://www.api.org/products-and-services/individual-certification-programs/certifications/api577

API API-577 Exam Syllabus Topics:

SectionObjectives
Materials and Consumables- Base Materials
- Filler Metals
- Electrode Classification
Non-Destructive Examination- Ultrasonic Testing
- Liquid Penetrant Testing
- Visual Examination
- Magnetic Particle Testing
- Radiographic Testing
Metallurgy- Carbon Steels
- Stainless Steels
- Low Alloy Steels
- Heat Treatment
- Weldability
Welding Procedure Qualification- Essential Variables
- Welding Procedure Specifications
- Procedure Qualification Records
Refinery and Petrochemical Welding Issues- Service-Induced Damage
- Fabrication Requirements
- Repair Welding
Welder Qualification- Performance Qualification
- Qualification Records
Terminology and Symbols- Inspection Terminology
- Welding Symbols
Welding Processes- Flux Cored Arc Welding
- Gas Tungsten Arc Welding
- Shielded Metal Arc Welding
- Submerged Arc Welding
- Gas Metal Arc Welding
Welding Inspection- Inspection Before Welding
- Inspection After Welding
- Inspection During Welding
- Weld Defects and Discontinuities

API API-577 Exam: What to Ask Before Buying

195 minutes for 110 questions. If practice time is scarce, make sessions targeted: short daily sets in the VCEEngine engine, full timed runs when you can.

Right after payment we email you the download link — note it — and the product also arrives automatically within a minute, with 24/7 help if nothing shows up within 2 hours. Your information stays rigorously confidential throughout. If you fail the corresponding API-577 exam within 60 days of purchase, we supply a whole refund: send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Or exchange for two equal-value products free.

The API Welding Inspection And Metallurgy is API's certification exam for ICP Programs, at the Professional level. The certificate makes you advanced and competitive — priority in employment and promotion goes to the certified. Related credentials include API 510 Pressure Vessel Inspector, API 570 Piping Inspector, API 653 Aboveground Storage Tank Inspector.

The API Welding Inspection And Metallurgy blueprint spans 9 domains — including Terminology and Symbols, Metallurgy, Welding Processes. Weight the heavy domains in your schedule; the complete outline above lists every subtopic.

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. Eligibility rules change over time, so verify the current requirements on the official page (official API-577 exam page) before registering.

Yes — the demo on our website is a genuine part of the complete API Welding Inspection And Metallurgy dump, so what you try is what you buy. Purchases include 365 days of free updates with automatic email notifications; renew afterward at 50% off.

API Welding Inspection And Metallurgy Sample Questions:

Question #1

Any electrodes that have become wet:

  • A. Should not be used for jobs requiring low-hydrogen electrodes.
  • B. Should be used at a higher amperage than recommended by the manufacturer.
  • C. Should be discarded.
  • D. Should be placed in a warming oven only if they are low-hydrogen.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #2

For what maximum outside diameter may a radiographic technique be used in which the radiation passes through two walls and the weld in both walls is viewed for acceptance?

  • A. 1.5 in. (38.0 mm)
  • B. 3 in.(76.2 mm)
  • C. 2.5 in. (63.5 mm)
  • D. 3.5 in. (90.0 mm)
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #3

At least how far on each side of the weld should preheat be maintained?

  • A. 3 in. (7.6 cm)
  • B. 6 in. (15.2 cm)
  • C. 2 in. (5.1 cm)
  • D. 4 in. (10.2 cm)
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #4

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
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #5

The deflection of an arc from its normal path that is a result of magnetic forces is referred to as:

  • A. Arc deflection.
  • B. Arc strike.
  • C. Arc drift.
  • D. Arc blow.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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