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ON Air Brake Test 8

  • Based on 2025 ON commercial driver's licence manual
  • Updated for December 2025
  • Perfect for first-time and renewal commercial applicants, and those adding endorsements
  • Triple-checked for accuracy

Step right up for Ontario Commercial Air Brake Test 8. This practice exam is your key to understanding air pressure systems. Featuring detailed questions, our test offers an in-depth review of all the topics you can expect on the official test. Be ready; be prepared.

Pass the first time with Premium
ON driver's license
  • Based on 2025 ON commercial driver's licence manual
  • Perfect for first-time and renewal commercial applicants, and those adding endorsements

Reviewed for legal and handbook accuracy

Steven Litvintchouk

M.S. (MIT), Chief Educational Researcher (ACES member)

Test design and learning experience oversight

Andrei Zakhareuski

Co-founder & CEO, 15+ years in driver education

Questions are created and maintained by the Tests.ca content team following our multi-layer editorial process and updated whenever the Ontario government changes its handbook or website information.

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