All your missed questions are saved automatically for extra practice.
Already in Your Challenge Bank!™
It's a practice test that's automatically made up of all your missed questions. Once you finish this test, you’ll be able to revisit your Challenge Bank™ to practice and sharpen your skills.
Adding difficult questions to Challenge Bank™ is an exclusive Premium feature. Unlock access to 270 exam-like questions, a Pass Guarantee, personalized study plans, and more.
Based on 2025 SK commercial driver's licence manual
Updated for May 2025
SK Air Brake Test 7
Long-haul trucking is a key part of Saskatchewan’s economy. Conquer the roads with confidence by taking our 50-question practice test. Designed with the 2025 official guidelines in mind, it'll equip you for the distinct challenges Saskatchewan’s extended highways present.
Perfect for first-time and renewal commercial applicants, and those adding endorsements
Triple-checked for accuracy
About this test
5 out of 5 • 1 votes
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
Ensuring the accuracy and quality of our program is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.
What is the primary function of a one-way check valve in an air brake system?
Which of the following is NOT used to warn of a low air pressure condition?
What is the term for when the governor initiates the compressor to enter its pumping phase?
What is integrated near the rear brake chambers to help correct brake lag?
Older trucks may have a front wheel limiting valve that is controlled by what mechanism?
For what primary reason is an air dryer utilized in an air brake system?
What is the name of the second reservoir in an air brake system?
Where would you normally find the one-way check valve in an air brake system?
If a safety valve releases excess pressure, what could this signal?
What is a low-pressure warning device that drops into the driver's field of vision referred to as?
How is the supply reservoir safeguarded from over-pressurization and possible rupture?
What is affixed to the surface of the brake shoes in an air brake system?
Why do front brake assemblies mount the brake chamber and slack adjuster on the backing plate?
What occurs when the air pressure in the reservoir decreases?
Do air dryers eliminate all moisture from the air in the brake system?
The tractor protection system must kick in before air pressure falls below
Which of the following is not true regarding the functions of a spring-brake chamber?
What is the main function of the tractor protection system?
What does the phrase 'caging the brakes' refer to?
What happens when air from the spring-brake circuit is released?
What does 'blended air' mean in the context of an air brake system?
What factor dictates the arrangement and installation of parking brakes and piping in a vehicle air brake system?
The power spring can be manually compressed using what, if air pressure cannot be restored in the service-brake chamber and the vehicle needs to be moved?
To prevent compounding, when should the park brake be released?
In a dual-circuit system, where does pressurized air move from the supply reservoir to?
How many key functions does the trailer-supply valve perform?
Who should disassemble and dispose of all discarded spring-brake chambers?
How many separate air chambers do spring brakes comprise of?
At which pressure will the spring brakes apply themselves?
What's the purpose of an air pressure gauge in a brake system?
The rear chamber, which houses a large, robust compression spring and diaphragm that serves for emergency and parking functions, is sometimes known as what?
What constitutes the tractor protection system?
What happens when you operate the park control valve?
A two-way check valve shifts the shuttle so that what can occur?
Why are spring brakes a reliable parking brake option?
Upon operating the park control valve, from where is air exhausted?
During a controlled service brake application, where does air pressure act upon that results in a specific reaction?
In case a failure occurs in the primary circuit and a brake application is made, control air from the secondary side of the foot valve is redirected to where?
After all air is lost, how can a vehicle with spring brakes still be moved?
Which brakes does the primary reservoir operate under normal conditions?
Where are spring brakes always installed?
What's the primary function of the dual-circuit air system?
Where is an anti-compound line sometimes installed in an air brake system?
When does compounding of the brakes occur?
If the air pressure in the brake system falls below roughly what pressure, the spring brake may start to drag?
If your unit lacks dead-end couplers, what should you do?
At what angle should the couplers be to each other when connecting the glad hands?
What is the typical profile of the trailer-supply valve?
What is the primary function of a one-way check valve in an air brake system?
Which of the following is NOT used to warn of a low air pressure condition?
What is the term for when the governor initiates the compressor to enter its pumping phase?
What is integrated near the rear brake chambers to help correct brake lag?
Older trucks may have a front wheel limiting valve that is controlled by what mechanism?
For what primary reason is an air dryer utilized in an air brake system?
What is the name of the second reservoir in an air brake system?
Where would you normally find the one-way check valve in an air brake system?
If a safety valve releases excess pressure, what could this signal?
What is a low-pressure warning device that drops into the driver's field of vision referred to as?
How is the supply reservoir safeguarded from over-pressurization and possible rupture?
What is affixed to the surface of the brake shoes in an air brake system?
Why do front brake assemblies mount the brake chamber and slack adjuster on the backing plate?
What occurs when the air pressure in the reservoir decreases?
Do air dryers eliminate all moisture from the air in the brake system?
The tractor protection system must kick in before air pressure falls below
Which of the following is not true regarding the functions of a spring-brake chamber?
What is the main function of the tractor protection system?
What does the phrase 'caging the brakes' refer to?
What happens when air from the spring-brake circuit is released?
What does 'blended air' mean in the context of an air brake system?
What factor dictates the arrangement and installation of parking brakes and piping in a vehicle air brake system?
The power spring can be manually compressed using what, if air pressure cannot be restored in the service-brake chamber and the vehicle needs to be moved?
To prevent compounding, when should the park brake be released?
In a dual-circuit system, where does pressurized air move from the supply reservoir to?
How many key functions does the trailer-supply valve perform?
Who should disassemble and dispose of all discarded spring-brake chambers?
How many separate air chambers do spring brakes comprise of?
At which pressure will the spring brakes apply themselves?
What's the purpose of an air pressure gauge in a brake system?
The rear chamber, which houses a large, robust compression spring and diaphragm that serves for emergency and parking functions, is sometimes known as what?
What constitutes the tractor protection system?
What happens when you operate the park control valve?
A two-way check valve shifts the shuttle so that what can occur?
Why are spring brakes a reliable parking brake option?
Upon operating the park control valve, from where is air exhausted?
During a controlled service brake application, where does air pressure act upon that results in a specific reaction?
In case a failure occurs in the primary circuit and a brake application is made, control air from the secondary side of the foot valve is redirected to where?
After all air is lost, how can a vehicle with spring brakes still be moved?
Which brakes does the primary reservoir operate under normal conditions?
Where are spring brakes always installed?
What's the primary function of the dual-circuit air system?
Where is an anti-compound line sometimes installed in an air brake system?
When does compounding of the brakes occur?
If the air pressure in the brake system falls below roughly what pressure, the spring brake may start to drag?
If your unit lacks dead-end couplers, what should you do?
At what angle should the couplers be to each other when connecting the glad hands?
What is the typical profile of the trailer-supply valve?
What provides air to the trailer-supply valve?
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 ZakhareuskiUpdated 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.
Our Premium Membership comes with a Pass Guarantee (30-day access and longer). If you successfully complete all the practice tests for your province/territory, we promise you a passing grade on your official written knowledge test or we'll refund your money. Your most recent completion of all the tests should be not earlier than 30 days before your exam date.
To claim
Just send us an email with your full name (must match the name and email address used for your purchase at Tests.ca) within 30 days from the purchase of your Premium membership.
What happens next
We'll check your account to make sure you've successfully completed all practice tests for your state. Once that is confirmed, we'll issue a full refund (you'll receive a separate email confirmation).
