BC Air Brake Test 10
- 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.
Mastering the art of navigating commercial vehicles along British Columbia's Sea-to-Sky Highway and other scenic routes requires a deep understanding of air brakes. This 10th practice test with 50 questions will further hone your skills, as it's aligned with the latest BC commercial driver's manual.
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)
- Anti-lock braking systems (ABS) do NOT typically include
- The anti-lock application cycle is usually called
- Where is the ABS warning light situated on the trailer?
- When should you inspect under the back of the vehicle to verify the air tanks are secure and the air lines are tied up and secure?
- Who has the ultimate responsibility to check that the brakes are working properly before moving the vehicle?
- Is it necessary to inspect both manual and automatic slack adjusters daily during the pre-trip inspection?
- Do the regular air brakes continue to function if the anti-lock braking system warning light is out of order?
- What is the reason for turning off your vehicle's engine while making brake adjustments?
- Based on the pry method of free stroke measurement, when is a brake adjustment necessary?
- Following a leak test, what should the minimum confirmed air pressure be in the reservoirs?
- How can it be determined if a previous slack adjustment has been done incorrectly?
- When using the pry method of free stroke measurement, what should be the air system psi?
- What should be the running clearance between the brake lining and drum when correctly adjusted?
- While checking air brakes, check for wear in all of the following components EXCEPT
- Who utilizes the applied stroke method when verifying the adjustment of s-cam brakes?
- What can the expansion of hot brake drums on long downgrades lead to?
- Once the proper direction is identified, why should the turning continue until solid resistance is felt?
- Are s-cam brakes generally effective when the brake drum is cool and normal brake application pressure is utilized?
- To check the slack adjusters, all of the following tools can be useful EXCEPT
- Is it common for vehicles equipped with air brakes to lose their brakes?
- Can s-cam brakes be adjusted with high precision while the wheels are on the ground?
- During a leak test with a firm brake application, the air loss per minute cannot exceed
- What type of wrench is usually used to turn the adjusting bolt on a manual slack adjuster?
- Is it typical, especially on tandem axle units, for the adjusting bolts on one axle to adjust in one direction, while the other axle requires an opposite turn?
- If the axles have manual slack adjusters, what happens if the brakes on one or the other axle have been mistakenly backed off?
- What is the minimum reservoir pressure required when servicing s-cam brakes via the applied stroke method?
- How can you tell if the adjusting bolt is being turned in the opposite direction?
- When adjusting the brakes, what should be the pressure in the air reservoirs?
- At what distance does the s-cam brakes require adjustment when using the applied stroke method?
- When you're turning the adjusting bolt on a manual slack adjuster, how can you visually verify that the linings have contacted the drum?
- Should each brake on an axle be adjusted to have a similar amount of pushrod travel?
- When adjusting the bolt, why is it important to observe the end of the camshaft?
- What is the significance of the marking on new air brake chamber pushrods?
- Do cast iron brake drums expand when they become hot?
- When you're adjusting a manual slack adjuster, to establish the correct running clearance between the lining and drum, how much should you back off the adjusting bolt?
- What is usually done with the spring-loaded locking sleeve on most manual slack adjusters?
- What does the term "pushrod travel" refer to?
- In the majority of trucks, do the gauges for measuring reservoir pressure typically lack fine markings?
- According to many automatic slack adjuster manufacturers, what brake application should you make when checking the pushrod stroke?
- Before you adjust an automatic slack adjuster that has a square adjusting bolt, what must you do first?
- Piston-type air compressors are NOT available with ______ cylinders.
- The automatic slack adjusters should be checked by a mechanic at every chassis lubrication interval, every three months, or every _______, whichever comes first.
- Certain hex caps come with a round 'button' that could be pried up with a screwdriver. Approximately how far can it be pried up?
- What is a dependable alternative to physically examining brake adjustment?
- If you make an emergency adjustment of an automatic slack adjuster, is it required to record this on your daily post-trip inspection?
- When you adjust automatic slack adjusters, backing off may result in considerable force and apparent ratcheting. What does this signify?
- What does it imply when an automatic slack adjuster strokes beyond the maximum permissible limit?
- Where can you find the parking brake control valve?
- What is the purpose of the frequent checks required for automatic slack adjusters?
- If the pushrod stroke of an automatic slack adjuster is excessive, what could be the cause?