FREE NB General Knowledge Test 1 2025
A commercial driving career in New Brunswick starts with studying the core principles of commercial vehicle operation. You must learn about mandatory pre-trip inspections, safe driving practices, and air brake systems. Unlike most other provinces, New Brunswick does not publish a commercial driving handbook that discusses all these concepts, but it does publish the official Air Brake Manual on air brake systems, which you should read at least once. The most determined students use other efficient tools during their learning phase, which makes studying commercial driving theory much easier.
Our New Brunswick General Knowledge Practice Tests can be a game changer for those struggling with test anxiety. Each of these practice tests is designed to reflect the content and format of the official exam by providing 25 multiple-choice questions. Since we have omitted any timer from this practice test, you can answer them at your own pace. Please avoid rushing and read every question carefully.
We provide immediate feedback for each question you get wrong. Pay attention to the detailed explanation and note it down in a notebook or notebook app. Our automated assistant can also provide further explanations that help you understand the reasoning behind each correct answer. Achieving a passing score on the official exam should not be your only goal. Becoming a safe and responsible commercial driver takes time and effort, so you shouldn’t expect overnight results.
Mistakes are common among beginners, so you should ignore them during the initial stages of your learning phase. However, if you wish to get a fresh start and begin a new session, you can use the “Restart test” button in the top-right corner of the page.
Since this practice test is available 24/7, you can begin a training session whenever you get a few minutes of free time. All you need is a compatible device and a stable internet connection. Nobody was born an expert commercial driver, as this skill can only be developed gradually. During your learning phase, you should practise daily, review your mistakes, and build confidence with each training session.
- What should you do to enter a freeway?
- You're approaching a red traffic signal light, but a police officer motions you to go through. What should you do?
- You're driving a tractor-trailer. While rounding a right curve on a two-way road, you should
- When can a police officer inspect your vehicle?
- 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.
- When should you perform a circle check of your commercial motor vehicle?
- If you're approaching a railway crossing at which a signal device or flagperson is warning of an approaching train, you must
- 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.
- Under all conditions, you should drive at a speed that will allow you to
- Who is responsible for the safe operation of a motor vehicle?
- A licensed driver who wants to learn how to drive a tractor-trailer must
- 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?
- Any load which projects from the rear of a vehicle by at least 1.25 metres (about 4 feet) must be marked by
- 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?
- To perform the pre-trip inspection of the air brakes, which of the following should you do first?
- To enter a highway from a private road or driveway, you should
- What is the gross weight of a vehicle?
- Ontario law does NOT require ________ on a motor vehicle.
- In Ontario, the maximum speed limit on a rural highway is ________ except where otherwise posted.
- When you back your tractor to couple a semi-trailer, the fifth wheel opening must be in direct line with
- 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.
- The driver must carry a daily log with entries for the past
- Drivers are exempted from keeping a daily log if they drive within a radius of
- The driver's log book must contain which of the following entries?
- Electronic recording of log entries is
- The pyrometer is a dashboard gauge that measures
- Which of these produces electricity to keep the vehicle's batteries charged?
- 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
- You may not drive a tractor-trailer if the semi-trailer's length exceeds _______ unless you obtain an oversize permit.
- What is the maximum permitted width of a semi-trailer?
