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FREE New Brunswick Class 1 Licence Test 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.
Preparing to drive a semi-trailer truck or a long combination vehicle in New Brunswick? You’ll need a Class 1 commercial driver’s licence. The transportation industry in NB is booming, so now is a great time: truck drivers are in high demand. As a Class 1 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 1 licence, you must pass both a written and a practical test. The written test (also known as the New Brunswick truck driver’s knowledge exam) has several multiple-choice questions. This 25-question Class 1 practice test is a great way to prepare as all questions are based on the official 2025 NB commercial driver’s manual. As you answer the questions, we recommend checking each question’s explanation to gain some further insight into the rule behind it. Good luck and drive safely!
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Based on 2025 NB commercial driver's license manual
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List of questions (classic view)
- What must you do at a stop sign with a painted stop line?
- Over-braking with a trailer can sometimes lead to
- What does this sign tell you?
- When is a pre-trip inspection required?
- What gauges should you check after starting your vehicle?
- Which valves make up the tractor protection system?
- When coupling a tractor to a semitrailer,
- What does this sign mean?
- In an air brake system, what is brake lag time?
- What does this sign mean?
- Before driving down a grade (hill), you should
- When inspecting the brake chambers, you should check for which of the following?
- The supply line is also called
- When brakes become overheated, they also become
- Which belts should you check during your pre-trip inspection?
- What is the purpose of the National Safety Code?
- What is a normal reaction time for a driver?
- Most manufacturers of commercial vehicles recommend draining the moisture and oil from an air brake system on a ________ basis.
- What is the Gross Vehicle Weight Rating (GVWR)?
- Which of these is not a part of a drum brake?
- What is the purpose of the slider on a trailer?
- What is the most common cause of air loss in a trailer?
- What is brake lag time?
- What does this sign mean?
- Why is it important to know which parts of the air brake system exhaust air?