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Based on 2025 YT commercial driver's licence manual
Updated for August 2025
FREE Yukon Class 1 Licence Test
Yukon is a sparsely settled land of stunning landscapes and extreme winters. Class 1 driving in the territory can be quite hazardous in winter. Still, Class 1 drivers can find economic opportunities in several key economic sectors.Mining continues to be Yukon’s major industry, especially gold, silver, copper, zinc, and lead. Class 1 drivers haul mining equipment to the mines. They haul ore from the mines on intermodal routes (ports or rail) to other provinces or the United States for processing. Also, ongoing construction and infrastructure development need Class 1 drivers to transport lumber, cement, and construction equipment to construction sites. The logistics sector also needs Class 1 drivers to resupply communities with fuel and stores with food and other goods.To upgrade your Class 5 driver’s licence to a Class 1 commercial driver’s licence, you must meet a series of requirements, including providing adequate identification, passing a vision test, submitting a doctor’s medical report, and passing a Class 1 knowledge test on the theory of operating Class 1 vehicles. The official Yukon reference for operating commercial vehicles (Classes 1 through 4) is the handbook Driving Commercial Vehicles. Once you’ve passed the knowledge test, you can obtain a Class 1 learner’s permit, allowing you to operate Class 1 vehicles under supervision. Keep practicing until you feel ready to pass the official driving test for a Class 1 licence.Practically all Class 1 vehicles have air brakes, so you must also obtain an air brake endorsement on your Class 1 licence. There are two ways you can get the air brake endorsement in Yukon. One way is to complete an approved Air Brake course. The other way is to pass a separate knowledge test on air brakes and then pass the air brake practical test.Class 1 driving theory is challenging to master just by reading about it. We offer three Yukon Class 1 Knowledge practice tests to reinforce and enhance your knowledge of the subject through intensive repetition.This is the first of those practice tests. It’s up to date as of August 2025 and based on the official handbook, Driving Commercial Vehicles. Our AI Assistant can help you with any question by supplying a hint or rephrasing the question. You can even ask your own questions about commercial driving. If you still miss the question, the AI Assistant will immediately show you the correct answer and an explanation.Finally, please check out our other two Yukon Class 1 Knowledge practice tests and our nine Yukon Air Brake practice tests!
Perfect for first-time and renewal commercial applicants, and those adding endorsements
Triple-checked for accuracy
What you need to know
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 must you do at a stop sign with a painted stop line?
Over-braking with a trailer can sometimes lead to
What does this sign tell you?
When is a pre-trip inspection required?
What gauges should you check after starting your vehicle?
Which valves make up the tractor protection system?
When coupling a tractor to a semitrailer,
What does this sign mean?
In an air brake system, what is brake lag time?
What does this sign mean?
Before driving down a grade (hill), you should
When inspecting the brake chambers, you should check for which of the following?
The supply line is also called
When brakes become overheated, they also become
Which belts should you check during your pre-trip inspection?
What is the purpose of the National Safety Code?
What is a normal reaction time for a driver?
Most manufacturers of commercial vehicles recommend draining the moisture and oil from an air brake system on a ________ basis.
What is the Gross Vehicle Weight Rating (GVWR)?
Which of these is not a part of a drum brake?
What is the purpose of the slider on a trailer?
What is the most common cause of air loss in a trailer?
What is brake lag time?
What does this sign mean?
Why is it important to know which parts of the air brake system exhaust air?
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.
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