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  • Based on 2025 NS commercial driver's licence manual
  • Updated for May 2025

FREE Nova Scotia Class 3 Licence Test

Canada’s Ocean Playground offers profitable business opportunities for commercial truck drivers, but you’ll need a Nova Scotia Class 3 commercial driver’s licence to qualify. New drivers must know the rules of the road, industry regulations, and safe driving practices that will support their success. While you won’t be eligible to drive every type of commercial vehicle, the Class 3 licence authorizes you to operate most trucks with more than two axles and vehicles in Classes 4, 5, and 8. However, before you are granted a licence, you’ll have to meet some basic requirements, including passing the Nova Scotia Class 3 Commercial Driver’s Knowledge Test. Adequate preparation to meet the challenges of this requirement is a must – and it is available.

Our Nova Scotia Class 3 Licence Knowledge Practice Test prepares you to answer questions on such topics as pre-trip inspections, road signs, and safe driving practices. The practice test is an excellent resource to enhance your knowledge of the driving skills necessary to be a safe and responsible commercial driver. It includes 25 multiple-choice questions to assess your understanding of the traffic laws and safety practices you need to know and show you the areas where you need improvement. The practice test uses questions similar to those on the official knowledge test to expedite your learning process. Since it is not a timed exercise, the practice test gives you time to think through the question and helps reduce any stress you may feel. You will see your driving skills and confidence increase while boosting your performance. You won’t find a more personalized on-line resource that delivers similar results.

The Nova Scotia Class 3 Commercial Driver’s Knowledge Practice Test strategically expands your driving skills with reliable information from a current and authoritative resource. It is based on the most recent Nova Scotia Commercial Driver’s Guidebook. You can depend on this resource for the relevant information to help you pass the official knowledge test. Even if you get a question wrong, the practice test will provide you with a detailed explanation of the correct answer. Other on-line resources, such as study guides, are not designed to move you past your misconceptions this way. You must correctly answer at least 80% of the official knowledge test questions to receive a passing score. Study guides train you to memorize the answers to the questions. However, this approach limits your learning potential. The practice test takes the time to explain the answers you don’t understand to advance your learning and show you how to apply them to your driving skills. With the practice test, you’ll be in an advantageous position to pass the official knowledge test on the first try.

Digby County sets a high bar for fresh lobster, and you can expect to develop industry-standard driving skills with practice tests at https://tests.ca/nova-scotia/.
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  • Perfect for first-time and renewal commercial applicants, and those adding endorsements

What you need to know

5 out of 5 • 1 votes
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
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List of questions (classic view)
  1. In determining how well your air brake system works, which is NOT a significant factor?
  2. Which colour is the trailer supply line?
  3. When is a pre-trip inspection required?
  4. What gauges should you check after starting your vehicle?
  5. Why are there two service tanks in a modern air brake system?
  6. What is the purpose of the National Safety Code?
  7. What does this sign mean?
  8. In Canada, how many classes of dangerous goods are there?
  9. What must you do at a stop sign with a painted stop line?
  10. When brakes become overheated, they also become
  11. What does this sign mean?
  12. Your vehicle is equipped with an air brake system, including a belt-driven air compressor. How do you check for correct belt tension?
  13. What does this sign mean?
  14. Before driving down a grade (hill), you should
  15. What does this sign mean?
  16. Your vehicle has tandem drive axles and is equipped with an inter-axle differential. You should NOT use it if
  17. What does this sign mean?
  18. What is a commercial vehicle's danger zone?
  19. This sign indicates that you may park for one hour
  20. What is the first step of the pre-trip inspection?
  21. In a vehicle equipped with air brakes, the pushrod stroke occurs when compressed air enters the
  22. What is the Gross Vehicle Weight Rating (GVWR)?
  23. Driving a commercial vehicle on the road is
  24. In an air brake system, what does a governor do?
  25. Where are the air brake chambers located?
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