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    FREE MB General Knowledge Test 1 2025

    Based on the 2025 MB CDL manual
    Questions: 55
    Mistakes allowed: 11
    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.

    To make studying commercial driving theory easier, we provide you with an intuitive tool designed to boost your learning potential. This is the first of our Manitoba General Knowledge Practice Tests, which have been designed to closely reflect the content and format of the official exam. With unlimited attempts and nonstop access, there’s no limit to how often you can practice with this tool. There are 55 questions based on the official Manitoba Professional Driver’s Manual. To pass, you must score 80% or higher.

    As you begin your learning phase, you should start by reading the official manual. This is the primary resource for aspiring commercial drivers. Familiarize yourself with its contents and learn about common driving conditions, safe vehicle operation, and mandatory pre-trip inspections. You can also have this manual open in another browser tab while training with our practice test. Our automated assistant will provide additional support. Request a hint whenever you get stuck on a difficult question or ask for a detailed explanation of the correct answer. Remember, your goal is to become a safe and responsible commercial driver.

    Students with auditory memory greatly benefit from the voice-over function. Once activated, this feature uses an artificial voice to read the questions and answer choices aloud. It can also increase focus and retention rates if you practise in a crowded environment where distractions are more likely to occur.

    Every question you get wrong will be automatically added to your personal Challenge Bank™. Please visit this section after each training session to identify areas that need improvement and learn from your mistakes. Questions in the Challenge Bank will remain there until you answer them correctly. We recommend noting the detailed explanation down in a notebook or notebook app, as it can help you avoid repeating the same mistake during future attempts.

    Start your learning phase today and dedicate the following weeks to mastering commercial driving theory. Read the official professional driver’s manual at least once and use all our Manitoba General Knowledge Practice Tests to build the confidence necessary to pass the official exam on your first attempt.

    4.25 out of 5 • 4 votes.
    Based on 2025 MB commercial driver's license manual
    Instant feedback
    Pass the first time with Premium
    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 divided highway, flares or reflectors must be placed approximately _________ 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 metre (3 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. Which of the following is not an effective tactic for fuel conservation in commercial vehicles?
    27. Is there a hearing requirement to obtain a commercial driver's licence in Manitoba?
    28. What is the contribution of the road transportation sector to total greenhouse gas emissions in Canada?
    29. Which of the following choices is FALSE? You might need to re-take a driver test if you
    30. How long should you wait from receiving your learner's licence to taking the road test for Class 2, 3 and 4 licences?
    31. After applying for class 1, 2, 3, and 4 licences, how long does the medical report remain valid?
    32. Which of the following driver habits should be avoided?
    33. How is an air brake endorsement acquired by a driver?
    34. Before booking a Class 1 road test, you must show completion of a MELT course. What does MELT stand for?
    35. Why must commercial drivers submit regular medical reports?
    36. How long do you have to finish a knowledge test?
    37. Who may apply for Authorized Instruction in the Class 1 licence category?
    38. Which choice is FALSE? You must take a driver test for the class of vehicle you wish to operate, if
    39. After receiving Authorized Instruction for a Class 2, 3 or 4 driver's licence, what is the waiting period before taking a road test?
    40. How far ahead can you book your test appointment?
    41. The air brake test involves the use of a vehicle provided by whom?
    42. You must have an air brake endorsement to drive vehicles equipped with air brakes, EXCEPT
    43. What kind of vehicle is primarily driven with a Class 2 licence?
    44. What's the youngest age at which one can operate class 1, 2, 3, or 4 vehicles?
    45. Which approach is ineffective in minimizing the effects of weather on driving schedules?
    46. How much can fuel consumption increase when driving on snow-covered roads?
    47. What directly impacts the safety fitness rating of a motor carrier under the National Safety Code?
    48. To operate infrastructure equipment or agricultural equipment, what is the minimum class of licence that you must hold?
    49. What class of licence is required to drive a semi-trailer truck?
    50. A holder of an Authorized Instruction for Class 1, 2, 3, and 4 driver's licences must be accompanied by an individual who holds which of the following?
    51. If your vehicle, or a vehicle and a towed vehicle, weigh more than _______, you must hold a Class 3 licence at minimum.
    52. How can an employer obtain a copy of an employee's, or potential employee's, driving record?
    53. If a medical condition prevents a driver from operating a commercial vehicle in the United States, what will be noted on their licence?
    54. Up to the age of 45, how frequently do commercial drivers need to submit a Medical Examination Report form?
    55. If a Class 1, 2, 3 or 4 licence road test vehicle is equipped with air brakes, is there an additional charge for the practical air brake test?
    56. The pyrometer is a dashboard gauge that measures
    57. Which of these produces electricity to keep the vehicle's batteries charged?
    58. 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
    59. You may not drive a tractor-trailer if the semi-trailer's length exceeds _______ unless you obtain an oversize permit.
    60. What is the maximum permitted width of a semi-trailer?

    FREE MB General Knowledge Test 1

    Pass with Premium, Guaranteed

    To make studying commercial driving theory easier, we provide you with an intuitive tool designed to boost your learning potential. This is the first of our Manitoba General Knowledge Practice Tests, which have been designed to closely reflect the content and format of the official exam. With unlimited attempts and nonstop access, there’s no limit to how often you can practice with this tool. There are 55 questions based on the official Manitoba Professional Driver’s Manual. To pass, you must score 80% or higher.

    As you begin your learning phase, you should start by reading the official manual. This is the primary resource for aspiring commercial drivers. Familiarize yourself with its contents and learn about common driving conditions, safe vehicle operation, and mandatory pre-trip inspections. You can also have this manual open in another browser tab while training with our practice test. Our automated assistant will provide additional support. Request a hint whenever you get stuck on a difficult question or ask for a detailed explanation of the correct answer. Remember, your goal is to become a safe and responsible commercial driver.

    Students with auditory memory greatly benefit from the voice-over function. Once activated, this feature uses an artificial voice to read the questions and answer choices aloud. It can also increase focus and retention rates if you practise in a crowded environment where distractions are more likely to occur.

    Every question you get wrong will be automatically added to your personal Challenge Bank™. Please visit this section after each training session to identify areas that need improvement and learn from your mistakes. Questions in the Challenge Bank will remain there until you answer them correctly. We recommend noting the detailed explanation down in a notebook or notebook app, as it can help you avoid repeating the same mistake during future attempts.

    Start your learning phase today and dedicate the following weeks to mastering commercial driving theory. Read the official professional driver’s manual at least once and use all our Manitoba General Knowledge Practice Tests to build the confidence necessary to pass the official exam on your first attempt.

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