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    Alberta Class 4 Licence Test 9 2023 | AB

    5 out of 5 • 1 votes.
    Based on 2023 AB commercial driver's license manual Instant feedback
    Looking to secure a professional driving licence in Alberta? Our Class 4 Licence Test 9 is the perfect study aid, updated for 2023 with 44 critical questions. This practice test is designed to help you navigate through the essentials of commercial driving, including passenger management and safety practices. With no road test to worry about, your focus can be purely on the knowledge and vision tests. For a $17 fee, take the test at any registry agent, aiming for a minimum score of 25 out of 30. Backed by the Commercial Driver’s Guide and the Driver’s Guide, our practice test will help pave your way to a professional driving licence.

    Perfect for:

    • First-time AB commercial license applicants
    • Existing commercial license holders adding endorsements
    • AB commercial license renewal applicants

    AB Commercial Driving Handbook

    View the most recent (2023) official AB Commercial Driving Handbook.

    Read online or download

    List of questions (classic view)

    1. On a left curve when you're pulling a trailer, where should you keep the front of your vehicle?
    2. What is the minimum size required for square chocks for a commercial vehicle?
    3. The law requires that the wheels of a parked vehicle be no more than _______ from the curb.
    4. In the case of a breakdown on a highway outside of an urban area between sunrise and sunset, you should activate your hazard lights and place approved warning devices
    5. What to do when you experience a breakdown on a highway outside urban limits between sunset and sunrise, or anytime visibility is less than 150m?
    6. If a vehicle's load reaches or extends more than 1.5 m past its rear, what is required?
    7. You're driving a school bus. What should you do if the bus breaks down during the day?
    8. You're driving a school bus. What should you do if the bus breaks down during the night?
    9. A broken centre line on a roadway means that you may
    10. A bus driver should choose a safe driving speed, primarily based on
    11. A controlled railway crossing may have
    12. A Slow-Moving Vehicle sign should be placed on any vehicle that travels no faster than
    13. A tire that is overinflated or underinflated can
    14. A tractor-trailer travelling at high speeds creates air turbulence in which of the following areas?
    15. A vehicle that is twice the weight of a car and is travelling at twice the speed of that car requires how much braking power to stop in the same distance?
    16. What is a danger zone?
    17. Which dashboard gauge can help you decide when to upshift?
    18. Airbags are
    19. An engine governor is
    20. Any defect or deficiency that you find on your bus must be
    21. At which of the following engine speeds should you drive your vehicle?
    22. Before you enter a curve, what gear should you select?
    23. Besides regular brake maintenance, who is responsible for ensuring that the brakes of a vehicle are working properly before the vehicle is driven?
    24. Compounding the air brakes can
    25. Different-sized tires can
    26. Double-clutching is
    27. During a pre-hill inspection of a vehicle equipped with air brakes, you should do which of the following?
    28. During your brake tests, you find that the brakes are not operating safely. What should you do?
    29. During your pre-trip inspection, you discover a defect that does not affect the safe operation of the vehicle. What should you do?
    30. For large commercial vehicles, which of the following are advantages of air brakes as compared with hydraulic brakes?
    31. Generally the safest drivers are those who
    32. How can you downgrade from a commercial licence to a non-commercial licence?
    33. How can you ensure smooth braking of a large commercial vehicle?
    34. How can you tell how much air pressure is in the service reservoirs?
    35. How should you drive through a large amount of water on the roadway?
    36. How should you handle driving around a curve?
    37. Idling for longer than five minutes can
    38. If a bus becomes disabled on a roadway at night, flares or reflectors must be placed approximately _________ in front of and behind the vehicle.
    39. If a crash occurs while you are backing up with the aid of a guide, who will be held responsible?
    40. If a fire starts in your vehicle, you should do which of the following?
    41. If a front tire blows out, what should you do first?
    42. If a peace officer asks for your logbook and supporting documents, what documents should you provide?
    43. If an air line ruptures between the compressor and the supply reservoir, what will prevent loss of air pressure in the service brake system?
    44. If another driver wants to pass your vehicle, what should you do?
    45. If you are parking a bus on a downgrade, you should
    46. If you are parking a vehicle on a downgrade, you should
    47. If you are required to keep a logbook, what must you have in your possession?
    48. If you are parking a single-unit (straight) vehicle on an upgrade without a curb, you should
    49. If you are parking your vehicle on an upgrade without a curb, you should
    50. If you are unable to keep up with traffic on a steep grade, what should you do?
    51. If you intend to make a right turn on a red light, you must
    52. In Alberta, are you allowed to turn right at a solid red light?