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API-577 Exam Questions

Exam Name: Welding Inspection and Metallurgy Exam
Exam Code: API-577
Related Certification(s): API Certifications
Certification Provider: API
Actual Exam Duration: 110 Minutes
Number of API-577 practice questions in our database: 110 (updated: Jul. 25, 2025)
Expected API-577 Exam Topics, as suggested by API :
  • Topic 1: Terms, Definitions, and Acronyms: This section of the exam measures the skills of API-specialized inspectors and covers essential terminology, definitions, and acronyms used in welding and inspection. Candidates should be familiar with industry-specific language and abbreviations. The exam assesses the ability to interpret and use welding-related terms in various contexts accurately.
  • Topic 2: Welding Processes: This section expects welding engineers to demonstrate comprehensive knowledge of various welding processes. It covers different welding techniques, equipment, and applications. Candidates should understand the principles behind each welding process and its suitability for different materials and situations. Welding Materials: This section focuses on metallurgists' understanding of welding materials. It covers different types of metals, alloys, and consumables used in welding. Candidates should be familiar with material properties, selection criteria, and compatibility issues.
  • Topic 3: Welding Procedure: API-specialized inspectors are expected to showcase their knowledge of welding procedures in this section. It covers the development, qualification, and implementation of welding procedure specifications (WPS).
  • Topic 4: Welder Qualification: This section measures the skills of welding engineers in understanding welder qualification processes. It covers the requirements, methods, and documentation for qualifying welders. Candidates should be familiar with relevant codes and standards for welder certification.
  • Topic 5: Nondestructive Examination: Metallurgists are expected to demonstrate proficiency in nondestructive examination (NDE) methods in this section. It covers various NDE techniques, their principles, and applications in welding inspection.
  • Topic 6: Welding Inspection: This section focuses on the skills of API-specialized inspectors in performing welding inspections. It covers inspection techniques, tools, and documentation requirements.
  • Topic 7: Metallurgy: Metallurgists are expected to showcase their expertise in welding metallurgy in this section. It covers the effects of welding on material properties, heat-affected zones, and microstructure changes.
  • Topic 8: Refinery and Petrochemical Plant Welding Issues: This section measures the skills of welding engineers in addressing specific welding issues in refinery and petrochemical plant environments. It covers unique challenges, materials, and safety considerations in these industries.
  • Topic 9: Safety Precautions: API-specialized inspectors are expected to demonstrate knowledge of safety precautions in welding operations in this final section. It covers personal protective equipment, hazard identification, and safety procedures.
Disscuss API API-577 Topics, Questions or Ask Anything Related
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Janessa

16 days ago
API Welding Inspection certification in the bag! Thanks Pass4Success for the targeted study aids.
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Ollie

22 days ago
The exam had questions on welding equipment. Understand the functions of different welding power sources and their components.
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Lenna

1 months ago
Thanks to Pass4Success for the exam prep! Questions on welding safety were included. Study common hazards and protective measures.
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Phyliss

1 months ago
Successfully completed the API exam! Pass4Success's materials were key to my quick preparation.
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Desmond

2 months ago
Weld testing methods were covered. Be familiar with both destructive and nondestructive testing procedures.
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Shelba

2 months ago
The exam included questions on welding documentation. Know how to properly fill out and interpret inspection reports.
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Reena

2 months ago
API certified! Pass4Success made exam prep a breeze with their relevant practice tests.
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Isaac

3 months ago
Passed the API exam! There were questions on filler metal selection. Understand how to choose the right filler metal for different base materials.
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Ettie

3 months ago
Joint design was a key topic. Study various joint types and their applications in different welding scenarios.
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Scarlet

3 months ago
Passed my API Welding Inspection exam today! Pass4Success's questions were incredibly helpful.
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Melodie

4 months ago
Pass4Success really helped me prepare quickly. The exam had questions on welding codes and standards. Be familiar with API 1104 and AWS D1.1.
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Josefa

4 months ago
Heat treatment questions appeared. Understand the effects of pre-heating and post-weld heat treatment on weld quality.
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Katina

5 months ago
API certification achieved! Grateful for Pass4Success's efficient exam prep resources.
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Darrel

5 months ago
The exam covered welding procedure specifications (WPS). Know how to interpret and create a WPS.
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Sarah

5 months ago
Passed the exam! There were questions on welding processes. Study the principles of common welding methods like SMAW, GMAW, and GTAW.
upvoted 0 times
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Kenneth

6 months ago
Aced the API exam! Pass4Success provided spot-on questions, saving me tons of study time.
upvoted 0 times
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Meghan

6 months ago
Nondestructive testing methods were a big part of the exam. Be familiar with various NDT techniques and their applications.
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Micheline

6 months ago
The Welding Inspection part of the exam was intense. I remember a question about the various types of welding inspections and their importance in maintaining structural integrity. I wasn't entirely sure about the differences between visual and ultrasonic inspections, but the practice questions from Pass4Success helped me get through.
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Louann

6 months ago
Metallurgy questions were challenging. Focus on understanding phase diagrams and their implications for welding different materials.
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Oliva

6 months ago
API Certified: Welding Inspection and Metallurgy exam done! Thanks Pass4Success for the quick prep materials.
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Shelba

7 months ago
Thanks to Pass4Success for the great prep materials! The exam had several questions on welding symbols. Know how to interpret them correctly.
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Ozell

7 months ago
Just passed the API Welding Inspection exam! The questions on weld discontinuities were tricky. Make sure to study common defects and their causes.
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Felton

7 months ago
Just passed the API Welding Inspection exam! Pass4Success was a lifesaver with their relevant practice questions.
upvoted 0 times
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Janine

7 months ago
Reflecting on the exam, I found the section on Refinery and Petrochemical Plant Welding Issues particularly challenging. One question that stood out asked about the common welding defects encountered in petrochemical plants and how they impact plant operations. I was unsure about the specific defect they were referring to, but thanks to the Pass4Success practice questions, I managed to pass.
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Free API API-577 Exam Actual Questions

Note: Premium Questions for API-577 were last updated On Jul. 25, 2025 (see below)

Question #1

Which of the following has the lowest range of welding currents and electrode diameters associated with the GMAW process?

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Correct Answer: A

Question #2

When performing a carbon steel to carbon steel hot tap where the CE of one of the metals is greater than 0.42%, which of the following electrodes should be used?

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Correct Answer: D

Question #3

The direction of magnetic flux can be confirmed by the use of a:

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Correct Answer: A

Question #4

What GMAW welding process uses carbon dioxide as the shielding gas, and is limited to the flat and horizontal position?

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Correct Answer: C

Question #5

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

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Correct Answer: C

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