BC Air Brake Test 5
- Perfect for first-time and renewal commercial applicants, and those adding endorsements
- Based on 2024 BC commercial driver's licence manual
- Triple-checked for accuracy
- Updated for December 2024
This test is a Premium member exclusive. You'll get
What you need to know
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
If you’re looking for a job in the trucking industry, completing the mandatory commercial driver’s licence knowledge exam is the first step towards achieving your dream. We have developed this 50-question Air Brake practice test to help you prepare for the province’s examination (also known as the British Columbia trucking exam). Regardless of your current level of knowledge, this test will help you brush up on some important rules. You will likely perform better on the written test if you have been studying for it, so this is why it is so important to maintain your studying regiment. Know the rules, and the road will be a much safer place. Scroll down to begin the test.
What to expect on the official exam
50
questions
40
correct answers to pass
80
passing score
Our commitment to accuracy and quality in our practice tests
Explore our rigorous, multi-tiered verification process that ensures each question mirrors the official manual for unparalleled accuracy.
Written by Andrei Zakhareuski Updated over a week ago
At Tests.ca, we understand the importance of reliable and accurate practice tests to help you prepare for your driver's knowledge exam. That's why we've developed a meticulous process to create and continually update our practice questions, ensuring they reflect the most current driving laws and regulations.
Here's an inside look at how we maintain the highest quality in our practice tests.
Content Creation and Verification Process
- Alignment with Official Driving Handbooks:
Every question we develop is based on the most recent version of each province's official driving manual. Our team regularly monitors each province's official website for the latest updates to ensure our practice tests are always aligned with the most current information. - Community Feedback Integration:
We leverage feedback from our vast community of users to understand which topics are most frequently tested. This helps us focus on the areas that are most relevant and beneficial for your preparation. - Expert Content Creation:
Our in-house editor, Steven, who has extensive experience in driver education, crafts each question with precision. He conducts a thorough review of each question against the official manuals to ensure accuracy. - Rigorous Review Process:
Once Steven has finalized a set of questions, our team conducts a joint review session. This second level of scrutiny involves content accuracy, proofreading, and fact-checking to eliminate any errors. - User Feedback Mechanism:
After a question goes live on our site, we keep the lines of communication open. Each question features a feedback button, inviting users to report any issues or errors. This continuous feedback loop allows us to address and rectify any concerns promptly. - Responsive Updates:
In line with our commitment to accuracy, we quickly update our practice questions to reflect any changes in the provincial government manuals. Additionally, we update the free electronic copy of the state's driver's license manuals on our site, typically within a few days after the government publishes them.
Our thorough quality control process ensures that you have access to practice tests that are as accurate and up-to-date as possible. We believe in the power of well-prepared drivers and are dedicated to providing you with the best study tools to help you succeed on your driver's knowledge exam.
List of questions (classic view)
- How can you determine applied pushrod stroke?
- Which is least likely to cause brake drums to overheat?
- When must full braking capability be available?
- Assuming good traction and constant vehicle weight, if you double your vehicle's speed, your vehicle's braking distance will be
- Which of the following is an advantage of wedge brakes over S-cam drum brakes?
- Assuming good traction and constant vehicle speed, if you double your vehicle's weight, your vehicle's braking distance will be
- When inspecting air brakes, you should wear
- For inspecting the air brakes, when should you chock the wheels?
- How can automatic slack adjusters be adjusted?
- How should you test the spring brakes?
- Brake chambers of size 36 are marked with
- __________________are conected to the brake spider in "S" cam brake system.
- Automatic slack adjusters must be inspected
- Which of the following is most likely to have air brakes?
- It is preferable to test the brakes of towing vehicle with
- An antilock braking system (ABS)
- What to do when low air warning device activates on the road?
- The spring brakes are for
- Who can adjust the air brakes?
- How can you make sure that each air tank is securely attached to the vehicle?
- What does caging a brake chamber do?
- On a tractor-trailer, the red dashboard knob controls the spring brakes on __________, and the yellow dashboard knob controls the spring brakes on _________.
- Brakes are designed to withstand temperatures of up to
- DD3 safety actuators are mostly found in
- Trailer hand valve located on the tractor dashboard used to apply
- Which of the following is not a part of a braking system?
- How many airlines go to DD3 safety actuator brake chamber?
- Easiest way to test trailer`s spring brakes is
- Which of the following is most likely to lead to brake fade?
- When inspecting the air brake chambers, what should you look for?
- Brake fade can lead to
- Under the Ontario Highway Traffic Act, how often must air brakes be inspected?
- To test the trailer's service brakes independently of the tractor's service brakes, what should you do?
- When inspecting the brake drums, you should look for
- Under British Columbia law, how often must air brakes be inspected?
- If you uncouple and park an old, single-circuit trailer, you should do which of the following?
- When are you required to complete a pre-hill inspection?
- As air pressure builds during your pre-trip inspection of the air brakes, the low air pressure warning device should deactivate at
- While you're charging the trailer braking system, you find that the trailer brakes do not release. What are some possible causes?
- If you're using the pry method during your pre-trip inspection, pushrod travel must not exceed
- When brake drums overheat,
- When should you adjust an automatic slack adjuster?
- Where would an air dryer be installed in an air brake system?
- For large commercial vehicles, which of the following are advantages of air brakes as compared with hydraulic brakes?
- Why are drivers required to complete a trip inspection report?
- Why is it important for you to check the slack adjusters?
- Compounding the air brakes can
- In a tractor-trailer, the air pressure present in the service (control) line equals
- What is the maximum available pushrod stroke of a typical Type 30 brake chamber?
- When draining the air tanks, you observe excessive oil coming out of the supply tank. Which of the following is most likely to be faulty?
- You can usually make a normal stop by applying no more than
- The coil spring in most spring parking brake chambers can exert a force of
- Spring parking brakes typically require air pressures of at least _______ to completely release.
- In the air service circuit, there is a double (two-way) check valve connected to the primary and secondary service tanks. What does this valve do?
- In which of the following situations should a spring parking brake chamber be caged?
- In a tractor-trailer, an anti-compounding valve is connected to
- In Canada, automatic slack adjusters have been installed on trucks and trailers manufactured since
- When you use the free stroke (pry bar) method, the pushrod should not move more than
- In Canada, antilock braking systems (ABS) have been mandatory on all trucks and buses over 4,560 kg that have been manufactured since