About CWEng Exam Prep
An independent practice platform for the Certified Welding Engineer (CWEng) exam - real questions across every exam domain, each with a plain-language explanation.
What's on the CWEng exam
The Certified Welding Engineer (CWEng) exam is organized into 19 knowledge domains. It has 163 questions and is completed in 9 hours 30 minutes. Each domain makes up a different share of the exam, so the most efficient way to prepare is to know where the weight sits and practice accordingly:
- Mathematics25% of the exam
- Physics50% of the exam
- Chemistry25% of the exam
- Strength of Materials40% of the exam
- Heat Transfer and Fluid Mechanics30% of the exam
- Electricity30% of the exam
- NDE/Weld Discontinuities10% of the exam
- Welding Heat Sources and Arc Physics20% of the exam
- Welding Processes and Controls20% of the exam
- Welding and Joint Metallurgy20% of the exam
- Weld Design20% of the exam
- Brazing and Soldering5% of the exam
- Safety5% of the exam
- Fabrication25% of the exam
- Filler Metals15% of the exam
- Inspection20% of the exam
- Productivity10% of the exam
- Welder Performance Qualification10% of the exam
- Welding Procedure Qualification20% of the exam
Every practice question on this site is organized across these 19 domains, so your study tracks the real exam structure instead of guesswork. As you answer, the per-domain analytics surface the areas still costing you points, so your review goes where it moves your score.
What we believe good exam prep looks like
Realistic practice beats passive reading. Every question is written to mirror the style and difficulty of the real exam, with a clear explanation of why the right answer is right and the others aren't.
Your weak spots should find you. Domain analytics, mistake review, and re-drilling are built in, so study time goes where it moves your score.
Pricing should be simple. One payment for a fixed access window matched to your exam date. No subscription, no auto-renewal, and 10 free questions to try before you spend anything.
Get in touch
Questions, feedback, or something not working? Email support@boardmentor.study - candidate messages are read and answered.