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    BC Class 1 Commercial Licence Practice Test 2 2025

    Based on the 2025 BC CDL manual
    Questions: 50
    Mistakes allowed: 10
    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.

    All commercial Class 1 licence applicants need to be 19 years old to apply and hold a full-privilege B.C. driver’s licence (Class 5 or 6) or an out-of-province equivalent. To get your Class 1 commercial driver’s licence in BC, you’ll first need to get a learner’s licence before taking your road test for a full-privilege licence. To get your learner’s licence, you’ll need to pass a general knowledge test, a road signs test, and meet medical standards. If you’re planning to drive with air brakes, you’ll also have to take the air brake knowledge test. Once you have your learner licence, you’ll be on your way to get your full Class 1 Commercial Licence. To obtain it, you’ll need to pass a commercial road test, which includes a pre-trip inspection test (including air brakes if applicable), a road test, and a driver’s medical exam.

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    Based on 2025 BC commercial driver's license manual
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    List of questions (classic view)
    1. Drivers must hold an industrial air brake endorsement if they will be __________ on industrial roads.
    2. Drivers on Cycle 1 must not drive after completing ____ hours of on-duty time in seven consecutive days.
    3. Drivers on Cycle 2 must not drive after completing ____ hours of on-duty time in 14 consecutive days.
    4. Which of the following drivers are exempt from wearing seatbelts?
    5. In the context of commercial cargo securement, what is dunnage?
    6. During a pre-hill inspection of a combination vehicle equipped with air brakes, you should do which of the following?
    7. During a pre-hill inspection of a vehicle equipped with hydraulic brakes, you should do which of the following?
    8. As part of your pre-trip inspection of a combination vehicle with air brakes and one trailer, you should make sure that the air-loss rate per minute is not greater than
    9. Every motor vehicle must be equipped with at least ______ separate braking systems.
    10. How are flares, fusees, and reflectors used?
    11. According to the British Columbia Driving Commercial Vehicles Manual, what is horsepower?
    12. How can you tell how much air pressure is in the service reservoirs?
    13. How can you tell if you have cross-connected the supply line and the service line on a tractor-trailer with air brakes?
    14. While coupling a tractor to a trailer, how can you check that the tractor has properly connected to the trailer?
    15. How can you downgrade from a commercial licence to a non-commercial licence?
    16. When adjusting a manual slack adjuster, how can you tell whether you are turning the adjusting bolt in the correct direction?
    17. When using the applied stroke method to check pushrod stroke, how much pressure should you apply to the service brakes?
    18. How often should you inspect your vehicle?
    19. If your vehicle is carrying cargo, how often must you perform an en-route inspection of the cargo and the cargo securement system?
    20. Idling for longer than five minutes can
    21. If a crash occurs while you are backing up with the aid of a guide, who will be held responsible?
    22. If a load is supported on rollers, how many of the rollers must be locked?
    23. If a trailer is not equipped with spring brakes and the trailer air brake system leaks, what will happen?
    24. If you must adjust an automatic slack adjuster that has a hexagonal (six-sided) adjusting bolt, you should turn the adjusting bolt in which direction?
    25. If you are carrying a six-metre load weighing 8,000 kg, and each tiedown has a safe working load limit of 3,000 kg, how many tiedowns should you use?
    26. If you are convicted of causing a crash while you were driving impaired by alcohol or drugs, you may face which of the following consequences?
    27. If you are required to keep a logbook, what must you have in your possession?
    28. You are sharing a vehicle with another driver during a trip. The two of you disagree about which defects should be reported. What should you do?
    29. If you are unable to keep up with traffic on a steep grade, what should you do?
    30. Why is it risky to drive faster than the traffic flow?
    31. You're driving a vehicle equipped with an automatic front-wheel limiting system (ratio valve). If you brake hard during an emergency stop, the air pressure delivered to the front brakes will be approximately _____ of the air pressure to the rear brakes.
    32. During your brake tests, you find that the brakes are not operating safely. What should you do?
    33. Reducing a tire’s air pressure when it is hot
    34. If you want to tow a trailer that weighs more than 4,600 kg, and neither the trailer nor your towing vehicle has air brakes, which of the following will you need?
    35. If your cable tiedowns are not marked with their safe working load limits, what should you do?
    36. If your trailer starts to swerve and whip, what should you do?
    37. If your vehicle becomes disabled, what should you do?
    38. During your pre-trip inspection, you discover a defect that does not affect the safe operation of the vehicle. What should you do?
    39. Partway through your trip, you must couple to another trailer. What should you do?
    40. Which of the following can impair your driving?
    41. Under what conditions are you allowed to operate a vehicle with a weight exceeding 4600 kg with a class 2 or 3 licence?
    42. According to the NSC, when do pre-trip inspections always need to be conducted?
    43. Is it necessary to follow all of the steps for upgrading your commercial licence if you already hold a different class of commercial licence?
    44. On average, how long does it take a driver to perceive a problem while driving?
    45. Which of these licence classifications can operate a school bus?
    46. Where does the energy absorbed as heat during braking dissipate?
    47. Due to the combination vehicle's weight and its load, even though it features a diesel engine producing over 400 horsepower, how much time & distance might it take to accelerate to 100 km/h?
    48. What's the minimum age to operate a class 1 vehicle legally?
    49. With a heavy trailer endorsement (code 20) on a Class 4 or 5 driver's licence, what type of trailer can you tow?
    50. With a class 1 licence, what kind of vehicle are you restricted from operating?

    BC Class 1 Commercial Licence Practice Test 2

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    All commercial Class 1 licence applicants need to be 19 years old to apply and hold a full-privilege B.C. driver’s licence (Class 5 or 6) or an out-of-province equivalent. To get your Class 1 commercial driver’s licence in BC, you’ll first need to get a learner’s licence before taking your road test for a full-privilege licence. To get your learner’s licence, you’ll need to pass a general knowledge test, a road signs test, and meet medical standards. If you’re planning to drive with air brakes, you’ll also have to take the air brake knowledge test. Once you have your learner licence, you’ll be on your way to get your full Class 1 Commercial Licence. To obtain it, you’ll need to pass a commercial road test, which includes a pre-trip inspection test (including air brakes if applicable), a road test, and a driver’s medical exam.

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