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    New Brunswick Class 3 Licence Test 2 2025 | NB

    Based on the 2025 NB 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 New Brunswick? You’ll need a Class 3 commercial driver’s licence. The transportation industry in NB 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 New Brunswick 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 NB 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!

    5 out of 5 • 1 votes.
    Based on 2025 NB commercial driver's license manual
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    List of questions (classic view)
    1. In an air brake system, what is brake lag time?
    2. When must you chock the wheels of your stopped vehicle?
    3. If your vehicle is equipped with antilock brakes (ABS), how should you brake in an emergency?
    4. The low air pressure warning device needs to be replaced or adjusted if it does not activate at a minimum level of
    5. When can your vehicle be inspected on a highway?
    6. When is an engine retarder most efficient?
    7. In an air brake system, spring brakes are intended for
    8. What does a driver need to transport dangerous goods?
    9. What does this sign mean?
    10. Which of the following are normal responses from an antilock braking system (ABS)?
    11. Who is allowed to refuel a truck hauling propane?
    12. What does this sign mean?
    13. At vehicle inspection stations, axles are inspected for
    14. In a vehicle equipped with air brakes, if the air pressure drops below ________, the spring brakes will begin to apply.
    15. What is the Gross Vehicle Weight (GVW)?
    16. Your vehicle is equipped with air brakes. To make sure the air tanks are securely attached to the vehicle, you should
    17. What does this sign mean?
    18. A construction worker is holding up a sign with these two sides. What do they mean?
    19. What is the Gross Vehicle Weight Rating (GVWR)?
    20. What does this sign mean?
    21. After loading a dump truck, what must you do before moving the vehicle?
    22. Before inspecting your air brakes, you should
    23. The braking distance of a tractor-trailer is roughly ________ as the braking distance of a car.
    24. What is the best way to dry out your brakes after you've driven through water?
    25. Your vehicle is equipped with air brakes. If the outer layer of an air line is damaged, but the inner tube is still OK, what should you do?

    New Brunswick Class 3 Licence Test 2

    Pass with Premium, Guaranteed

    Getting ready to drive a heavy truck (a truck with more than two axes) in New Brunswick? You’ll need a Class 3 commercial driver’s licence. The transportation industry in NB 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 New Brunswick 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 NB 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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