About TN-CMCA Exam Prep
An independent practice platform for the Tennessee Plumbing (CMC-A) Contractor Examination (TN-CMCA) exam - real questions across every exam domain, each with a plain-language explanation.
What's on the TN-CMCA exam
The Tennessee Plumbing (CMC-A) Contractor Examination (TN-CMCA) exam is organized into 12 knowledge domains. It has 100 questions and is completed in 5 hours. Here is what it covers:
- General Knowledge
- Plumbing Math
- Code Requirements
- Fixtures and Fittings
- Water Heaters
- Storm Drainage
- Fuel Gas Systems
- OSHA Safety
- Isometrics
- Water Supply and Distribution
- Drain, Waste, and Vent Systems
- Tools and Installation Practices
Every practice question on this site is organized across these 12 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.