CWI Prep: Welding Inspector Ex
AWS Certification Test Prep
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
CWI PREP: YOUR AWS CERTIFICATION COMPANION
The CWI exam has only a 30% pass rate. Most candidates fail on their first attempt. Don't be one of them.
CWI Prep delivers the focused practice and tools you need to pass all three parts of the AWS Certified Welding Inspector exam.
THE WELD SYMBOL DECODER
The tool every welding inspector needs. Build any symbol, get instant plain-English interpretation.
- Select weld type (fillet, groove, plug, etc.)
- Choose position (arrow side, other side, both)
- Add supplementary symbols (field weld, weld all around)
- Set contour requirements
- Get instant decoded meaning
Based on AWS A2.4. The same symbols you'll interpret on blueprints every day.
COMPLETE EXAM COVERAGE
Part A — Fundamentals (150 questions on actual exam)
- Welding processes (SMAW, GMAW, GTAW, FCAW, SAW)
- Welding metallurgy and heat-affected zones
- Weld symbols (AWS A2.4) — heavily tested
- Welding terminology (AWS A3.0)
- Destructive and non-destructive testing
- Welding safety
Part B — Practical (50 questions on actual exam)
- Visual inspection techniques
- Discontinuity identification
- Measurement and gauges
- Acceptance criteria application
Part C — Code Book (50 questions on actual exam)
- AWS D1.1 Structural Welding Code
- WPS/PQR requirements
- Welder qualification
- Code navigation and lookup
490+ PRACTICE QUESTIONS
- Written by welding professionals
- Matches actual exam difficulty
- Instant feedback with AWS code references
- Track your progress by exam part
DISCONTINUITY REFERENCE
Identify weld defects instantly:
- Porosity, slag, undercut, overlap
- Incomplete fusion, incomplete penetration
- Cracks, underfill, arc strikes
- Causes, prevention, and acceptance criteria
WELD TYPE REFERENCE
Visual guide to all weld types and their applications:
- Fillet, groove (V, bevel, U, J, square)
- Plug, slot, seam, spot
- Surfacing and build-up
WHY CWI CERTIFICATION MATTERS
- Average salary: $100,000+
- In-demand across industries
- Career-long credential
- Industry respect and authority
FREE TO START
5 questions per day free. Upgrade to Pro for unlimited access.
PRO — LIFETIME ACCESS ($14.99)
- Unlimited questions for all three parts
- Complete weld symbol decoder
- All reference tools
- No subscriptions, yours forever
- Pass your exam or keep studying — no time limit
Join the 30% who pass. Study smarter with CWI Prep.
FROM THE PROJECT VOLT SUITE
Also available:
- Electrician Prep (NEC)
- HVAC Prep (EPA 608)
- Plumber Prep (IPC)
- CDL Hazmat Prep
- Drone Prep (Part 107)
Ratings & Reviews
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Information
- Seller
- Deeun Inc.
- Size
- 3.9 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro — Lifetime Access $17.99
- Copyright
- © 2026 Deeun Inc.
