CWI Exam Preparation
CWI Prep
Structured study for the AWS Certified Welding Inspector Part A Fundamentals examination. Build the knowledge base, sharpen code navigation, and practice under exam conditions.
About the CWI Part A Exam
The AWS CWI Part A Fundamentals examination tests knowledge across welding processes, metallurgy, inspection methods, weld quality, NDE, and codes and standards. Passing requires a minimum score of 72% across 150 questions in a 2-hour window.
Questions
150
Time Limit
2 hours
Passing Score
72%
Exam Format
Multiple choice
CWI Prep Learning Path
Work through these topic areas in sequence or jump directly to your weakest categories. Each module includes lessons, practice questions, and code-navigation exercises.
Welding Processes & Metallurgy
SMAW, GMAW, GTAW, FCAW, SAW — process fundamentals, heat input, distortion control, and steel metallurgy for inspectors.
Welding Symbols
AWS A2.4 symbol reading and interpretation. Reference line, arrow side, other side, supplementary symbols, and tail notes.
Visual Inspection
Discontinuity identification, acceptance criteria, inspection gauges, and the systematic visual inspection process.
NDE Methods
Radiographic, ultrasonic, magnetic particle, and liquid penetrant testing — principles, applications, and limitations.
Codes & Standards Navigation
AWS D1.1, API 1104, ASME Section IX — structure, scope, and how to find answers quickly under exam conditions.
WPS, PQR & Welder Qualification
Welding procedure specifications, procedure qualification records, welder performance qualifications, and documentation requirements.
CWI Prep Courses
Ready to test your knowledge?
The Mock CWI Exam simulates the full Part A examination — 150 questions, 2-hour time limit, and a detailed per-category breakdown when you finish.
Take the Mock CWI ExamNot sure where to start?
The free 40-question diagnostic assessment identifies your strongest and weakest categories so you can focus your study time where it matters most.
Take the Free Assessment