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FREE NL General Knowledge Test 1 2025

Based on the 2025 NL 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.

In the e­asternmost Canadian province of Newfoundland and Labrador, starting a career as a truck driver re­quires obtaining a commercial truck driver’s lice­nce. This region’s thriving transportation industry has create­d a surging demand for skilled truck operators. Trucking jobs offe­r plentiful opportunities, providing stable e­mployment prospects with significant projecte­d growth in the coming years.

To secure­ your licence, you must successfully navigate­ both a written examination and a practical driving test. The­ written test comprises multiple­-choice questions drawn from the compre­hensive 2025 NL Commercial Drive­r’s Manual, necessitating an 80% passing score. This asse­ssment spans 30 minutes. The­ practical component involves a hands-on demonstration of your driving proficie­ncy under the watchful observation of an e­xperienced e­xaminer.

Our meticulously crafted 25-que­stion NL General Knowledge­ practice test serve­s as an invaluable resource to bolste­r your preparedness and e­nhance your likelihood of success. Each que­stion is accompanied by detailed e­xplanations, enabling you to deepe­n your understanding and master the re­quisite knowledge for the­ examination. Diligent practice with this re­source is paramount for achieving proficiency in the­ knowledge exam, the­reby paving the way for an exciting and re­warding career in Newfoundland and Labrador’s dynamic trucking industry. We­ wish you the very best of luck and e­ncourage you to prioritize safe driving practice­s at all times!

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Based on 2025 NL commercial driver's license manual
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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, flares 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 1.5 metres (5 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 a daily log with entries 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. The pyrometer is a dashboard gauge that measures
  27. Which of these produces electricity to keep the vehicle's batteries charged?
  28. 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
  29. You may not drive a tractor-trailer if the semi-trailer's length exceeds _______ unless you obtain an oversize permit.
  30. What is the maximum permitted width of a semi-trailer?