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    FREE Alberta Class 3 Licence Test 2025 | AB

    Based on the 2025 AB CDL manual
    Questions: 25
    Mistakes allowed: 5
    Passing score: 80%
    Ensuring the accuracy and quality of our practice tests is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.

    Getting ready to drive a heavy truck (a truck with more than two axes) in Alberta? You’ll need a Class 3 commercial driver’s licence. The transportation industry in AB is booming, so now is a great time: heavy truck drivers are in high demand. As a Class 3 licenced commercial driver, you can work for a trucking company as an employee, or for yourself as an owner-operator. But in order to drive one of the largest vehicles on the road, you must first learn to drive carefully and safely. So before you can get your Class 3 licence, you must pass both a written and a practical test. The written test (also known as the Alberta Class 3 truck driver’s knowledge exam) has several multiple-choice questions. This 25-question Class 3 practice test is a great way to prepare: all of our questions are based on the official 2025 AB commercial driver’s manual. As you answer the questions, we recommend checking the explanations to gain some further insight into the rule behind it. Good luck and drive safely!

    Based on 2025 AB commercial driver's license manual
    Instant feedback
    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. What does this sign mean?
    11. When brakes become overheated, they also become
    12. What does this sign mean?
    13. Your vehicle is equipped with an air brake system, including a belt-driven air compressor. How do you check for correct belt tension?
    14. Your vehicle has tandem drive axles and is equipped with an inter-axle differential. You should NOT use it if
    15. What does this sign mean?
    16. Before driving down a grade (hill), you should
    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?

    FREE Alberta Class 3 Licence Test

    Pass with Premium, Guaranteed

    Getting ready to drive a heavy truck (a truck with more than two axes) in Alberta? You’ll need a Class 3 commercial driver’s licence. The transportation industry in AB is booming, so now is a great time: heavy truck drivers are in high demand. As a Class 3 licenced commercial driver, you can work for a trucking company as an employee, or for yourself as an owner-operator. But in order to drive one of the largest vehicles on the road, you must first learn to drive carefully and safely. So before you can get your Class 3 licence, you must pass both a written and a practical test. The written test (also known as the Alberta Class 3 truck driver’s knowledge exam) has several multiple-choice questions. This 25-question Class 3 practice test is a great way to prepare: all of our questions are based on the official 2025 AB commercial driver’s manual. As you answer the questions, we recommend checking the explanations to gain some further insight into the rule behind it. Good luck and drive safely!

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