- Based on 2025 BC commercial driver's licence manual
- Updated for January 2025
BC Class 3 Commercial Licence Practice Test 4
This practice test will help you prepare for your Class 3 Commercial Licence knowledge exam in British Columbia, Canada in 2025. The multiple-choice questions are designed to cover the same materials used by the actual exam (the same information from the official BC commercial driver's licence manual). For each answer, you'll get a detailed explanation to help you understand and remember the correct answer. Good luck, and see you on the road soon!
- Perfect for first-time and renewal commercial applicants, and those adding endorsements
- Triple-checked for accuracy
This test is a Premium member exclusive. You'll get
What you need to know
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
Ensuring the accuracy and quality of our program is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.
What to expect on the official exam
40
questions
32
correct answers to pass
80
passing score
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.
Written by Andrei Zakhareuski Updated over a week ago
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.
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List of questions (classic view)
- What should you do if a long downgrade is ahead?
- For any coupling device other than a fifth wheel, the drawbar or other connection between the motor vehicle and the trailer may not be longer than _______ unless you’re towing a pole trailer.
- Unless your vehicle has antilock brakes (ABS), using light brake pressure on an icy road will
- If your vehicle is going to transport logs, which of the following are true?
- Vehicles carrying cargo must meet which of the following requirements?
- When are water-cooled brakes used?
- Before you may obtain a Class 3 driver’s licence, you must be at least ____ years old.
- What are the consequences if you exceed your maximum on-duty hours and a peace officer stops you?
- What special problems does transporting livestock present?
- What are the main components of a simple, basic air brake system?
- Before you may apply for a commercial driver’s licence, you must already hold which class of driver's licence?
- What determines which truck should use a turnout on a narrow road?
- What is an advantage of automatic slack adjusters?
- Which of the following are advantages of a dual air brake system?
- What are the articulation points of a truck?
- You may be fined as much as _______ for driving a vehicle whose brakes are out of adjustment.
- Where is a single-unit (straight) truck’s central weight distribution point?
- What is a rough guide for spacing tiedowns to secure your load?
- Which of the following should you check periodically during your trip?
- If your vehicle is carrying cargo, how often must you perform an en-route inspection of the cargo and the cargo securement system?
- If a peace officer asks for your logbook and supporting documents, what documents should you provide?
- You're driving a vehicle equipped with air brakes. If the low air pressure warning signal comes on, what should you do?
- If an air line ruptures between the compressor and the supply reservoir, what will prevent loss of air pressure in the service brake system?
- Which of the following factors determine the sharpness of your large vehicle’s turn?
- What is the air brake endorsement for industrial roads called?
- What is the wheelbase of a vehicle?
- When a school bus driver turns on the bus’s alternating flashing red lights, other drivers must
- When a tire is underinflated,
- When approaching an intersection at which you intend to turn, you should
- When should you perform a pre-hill inspection?
- If a fire starts in your vehicle, you should do which of the following?
- When backing up a large vehicle, you should
- To back up with the aid of a guide, what should you do?
- Which of the following are true about brake fade?
- As air pressure builds during your pre-trip inspection of the air brakes, the low air pressure warning device should deactivate at
- Which of the following can increase the danger of crossing railway tracks?
- When crossing railway tracks, you should
- According to the British Columbia Driving Commercial Vehicles Manual, when you drive a large commercial vehicle on a public roadway, you should leave at least ________ of space between your vehicle and other large commercial vehicles.
- Sudden steering movements can
- When driving at night, you should do which of the following?