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View All Plans- Based on 2025 NL commercial driver's licence manual
- Updated for June 2025
FREE NL General Knowledge Test 1
There are plenty of opportunities for commercial drivers in Newfoundland and Labrador (Newfoundland and Labrador), where trucking, construction, and resource industries all rely heavily on the safe and efficient movement of goods. Whether you’re transporting materials across rural routes or servicing coastal communities, holding a Commercial Driver’s Licence opens the door to stable employment throughout the province. The official written knowledge test consists of multiple-choice questions on commercial driving theory, including general braking theory as described in the official Newfoundland and Labrador Air Brake Manual. You must score 80% or higher to pass, leaving little room for error.
To maximize your chances of passing the official exam on your first attempt, you should include efficient tools in your study routine. Our NL General Knowledge Practice Test can help you master commercial driving theory through active learning. Each question has multiple answer choices, but only one is correct. Take your time and think before selecting an answer. If you make a mistake, we provide immediate feedback so you won’t have to wait until the test ends to know what went wrong. Please pay attention to the detailed explanation and note it down in a notebook or notebook app.
If your wireless mouse runs out of battery charge, you can still finish the entire active practice session by using your keyboard. The “Shift + ?” key combination displays a complete list of keyboard shortcuts you can use to control this intuitive tool. Additionally, you can initiate a conversation with our automated assistant and receive personalized help while you train with our practice test. Ask for hints that nudge you in the right direction without revealing the correct answer, or request real-life examples that help you better understand each question.
On average, it takes students several days to learn the basics of commercial driving theory and a few weeks to fully master this subject. We recommend avoiding rushing during your learning phase, which is a critical phase during which the foundation of your dream career is built. Slow and steady progress will give you long-term results, and with the right tools, obtaining a commercial licence will be much easier.
- Perfect for first-time and renewal commercial applicants, and those adding endorsements
- Triple-checked for accuracy
What you need to know
More resources
- Alberta: Test 1 / Test 2
- British Columbia: Test 1 / Test 2
- New Brunswick: Test 1 / Test 2
- Newfoundland and Labrador: Test 1 / Test 2
- Northwest Territories: Test 1 / Test 2
- Nova Scotia: Test 1 / Test 2
- Nunavut: Test 1 / Test 2
- Ontario: Test 1 / Test 2
- Prince Edward Island: Test 1 / Test 2
- Quebec: Test 1 / Test 2
- Saskatchewan: Test 1 / Test 2
- Yukon: Test 1 / Test 2
- What should you do to enter a freeway?
- You're approaching a red traffic signal light, but a police officer motions you to go through. What should you do?
- You're driving a tractor-trailer. While rounding a right curve on a two-way road, you should
- When can a police officer inspect your vehicle?
- In Ontario, you must not park or leave your vehicle on a rural roadway unless there is a clear view for at least ________ in both directions.
- When should you perform a circle check of your commercial motor vehicle?
- If you're approaching a railway crossing at which a signal device or flagperson is warning of an approaching train, you must
- If a commercial motor vehicle becomes disabled on a roadway, flares must be placed approximately _________ in front of and behind the vehicle.
- Under all conditions, you should drive at a speed that will allow you to
- Who is responsible for the safe operation of a motor vehicle?
- A licensed driver who wants to learn how to drive a tractor-trailer must
- When uncoupling a combination vehicle (such as a tractor-trailer), which of the following is the next step after you've lowered the landing gear?
- Any load which projects from the rear of a vehicle by at least 1.5 metres (5 feet) must be marked by
- You're driving a vehicle equipped with air brakes. You notice that when you brake, the service brakes aren't holding even though air pressure is satisfactory. What should you do?
- To perform the pre-trip inspection of the air brakes, which of the following should you do first?
- To enter a highway from a private road or driveway, you should
- What is the gross weight of a vehicle?
- Ontario law does NOT require ________ on a motor vehicle.
- In Ontario, the maximum speed limit on a rural highway is ________ except where otherwise posted.
- When you back your tractor to couple a semi-trailer, the fifth wheel opening must be in direct line with
- When travelling at over 60 km/h (40 mph), a commercial truck driver must maintain a following distance of at least _________ behind the vehicle ahead, except when passing.
- The driver must carry a daily log with entries for the past
- Drivers are exempted from keeping a daily log if they drive within a radius of
- The driver's log book must contain which of the following entries?
- Electronic recording of log entries is
- The pyrometer is a dashboard gauge that measures
- Which of these produces electricity to keep the vehicle's batteries charged?
- The difference in electrical charge potential between two points in a circuit acts as a kind of pressure to make an electrical current flow. This pressure or potential difference is usually measured in
- You may not drive a tractor-trailer if the semi-trailer's length exceeds _______ unless you obtain an oversize permit.
- What is the maximum permitted width of a semi-trailer?
Our commitment to accuracy and quality in our practice tests
Explore our rigorous, multi-tiered verification process that ensures each question mirrors the official manual for unparalleled accuracy.
At Tests.ca, we understand the importance of reliable and accurate practice tests to help you prepare for your driver's knowledge exam. That's why we've developed a meticulous process to create and continually update our practice questions, ensuring they reflect the most current driving laws and regulations.
Here's an inside look at how we maintain the highest quality in our practice tests.
Content Creation and Verification Process
- Alignment with Official Driving Handbooks:
Every question we develop is based on the most recent version of each province's official driving manual. Our team regularly monitors each province's official website for the latest updates to ensure our practice tests are always aligned with the most current information. - Community Feedback Integration:
We leverage feedback from our vast community of users to understand which topics are most frequently tested. This helps us focus on the areas that are most relevant and beneficial for your preparation. - Expert Content Creation:
Our in-house editor, Steven, who has extensive experience in driver education, crafts each question with precision. He conducts a thorough review of each question against the official manuals to ensure accuracy. - Rigorous Review Process:
Once Steven has finalized a set of questions, our team conducts a joint review session. This second level of scrutiny involves content accuracy, proofreading, and fact-checking to eliminate any errors. - User Feedback Mechanism:
After a question goes live on our site, we keep the lines of communication open. Each question features a feedback button, inviting users to report any issues or errors. This continuous feedback loop allows us to address and rectify any concerns promptly. - Responsive Updates:
In line with our commitment to accuracy, we quickly update our practice questions to reflect any changes in the provincial government manuals. Additionally, we update the free electronic copy of the state's driver's license manuals on our site, typically within a few days after the government publishes them.
Our thorough quality control process ensures that you have access to practice tests that are as accurate and up-to-date as possible. We believe in the power of well-prepared drivers and are dedicated to providing you with the best study tools to help you succeed on your driver's knowledge exam.
Before you see your results, discover how Premium helps you:
- Real Exam-Like Newfoundland and Labrador QuestionsQuestions match official commercial driving tests
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