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  • Based on 2025 BC commercial driver's licence manual
  • Updated for May 2025

FREE BC General Knowledge Test 1

Welcome to the first of our British Columbia General Knowledge Practice Tests, intuitive tools designed to help you master commercial driving theory. Whether you’re using a smartphone, tablet, or computer, you can practise whenever it suits you. Incorporate it in your daily study routine, and your knowledge will gradually improve with consistent practice. All 25 multiple-choice questions are based on the official British Columbia handbook Driving Commercial Vehicles, a guide for professional drivers. You should read its contents at least once to familiarize yourself with the various aspects of commercial driving theory.

Since this practice test is not timed, we recommend you adopt a slow and steady approach. Take your time to carefully read each question and its answer choices before you select the one you believe is correct. It is perfectly normal for beginners to make mistakes. If that happens, we’ll provide a detailed explanation of the correct answer so you can understand what went wrong. To boost your learning potential, we recommend noting this feedback down in a notebook or notebook app so you can revisit the material in your future training sessions.

The “Test settings” menu on the left side of the page lets you control several features to enhance your learning experience. Activate the voice-over function to increase the retention rate and remain focused on the practice test. This feature and the ambient music feature are especially effective in busy environments where you can easily get distracted.

Commercial driving carries great responsibility. When hauling fuel or chemicals across British Columbia, you must be cautious at all times. Even a small mistake can result in disaster. As a professional commercial driver, you must prioritize safety above all else. As you begin your learning phase, a passing score on the official general knowledge test should not be your only goal. We will help you ace this exam on your first attempt, but you must fully master this subject before you can proceed through the licensing process.

BC driver's license
  • Perfect for first-time and renewal commercial applicants, and those adding endorsements
  • Triple-checked for accuracy

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.
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List of questions (classic view)
  1. What should you do to enter a freeway?
  2. You're approaching a red traffic signal light, but a police officer motions you to go through. What should you do?
  3. You're driving a tractor-trailer. While rounding a right curve on a two-way road, you should
  4. When can a police officer inspect your vehicle?
  5. 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.
  6. When should you perform a circle check of your commercial motor vehicle?
  7. If you're approaching a railway crossing at which a signal device or flagperson is warning of an approaching train, you must
  8. If a commercial motor vehicle becomes disabled on a roadway at night, flares or reflectors must be placed approximately _________ in front of and behind the vehicle.
  9. Under all conditions, you should drive at a speed that will allow you to
  10. Who is responsible for the safe operation of a motor vehicle?
  11. A licensed driver who wants to learn how to drive a tractor-trailer must
  12. 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?
  13. Any load which projects from the rear of a vehicle by at least 1.2 metres (4 feet) must be marked by
  14. 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?
  15. To perform the pre-trip inspection of the air brakes, which of the following should you do first?
  16. To enter a highway from a private road or driveway, you should
  17. What is the gross weight of a vehicle?
  18. Ontario law does NOT require ________ on a motor vehicle.
  19. In Ontario, the maximum speed limit on a rural highway is ________ except where otherwise posted.
  20. When you back your tractor to couple a semi-trailer, the fifth wheel opening must be in direct line with
  21. 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.
  22. The driver must carry copies of the daily logs for the past
  23. Drivers are exempted from keeping a daily log if they drive within a radius of
  24. The driver's log book must contain which of the following entries?
  25. Electronic recording of log entries is
  26. If you are caught in whiteout conditions and visibility is reduced to near zero, what should you do?
  27. What is the colour of the school bus arm signal?
  28. British Columbia law does NOT require ________ on a motor vehicle.
  29. In British Columbia, the maximum speed limit on a rural highway is ________ except where otherwise posted.
  30. The pyrometer is a dashboard gauge that measures
  31. Which of these produces electricity to keep the vehicle's batteries charged?
  32. 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
  33. You may not drive a tractor-trailer if the semi-trailer's length exceeds _______ unless you obtain an oversize permit.
  34. What is the maximum permitted width of a semi-trailer?
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