SAAQ Class 1 Knowledge Practice Test Part 5

Getting your SAAQ Class 1 Knowledge Practice Test opens doors to a professional career behind the wheel. To get there, you’ll first need to pass the Quebec Heavy Vehicle Knowledge Test, and proper preparation is the key to your success.Our free Quebec Commercial Licence Practice Tests are based on the Official SAAQ Heavy Vehicle Handbook and reflect real test content.

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Commercial Truck License Test Part 5

1 / 30

What does “bleeding down” the air system test?

2 / 30

What is the danger of not draining air tanks regularly in an air brake system?

3 / 30

When must the engine be turned off during a pre-trip inspection?

4 / 30

What condition makes a vehicle ineligible for road use?

5 / 30

What is the proper action if your air brake warning system fails to activate during a trip inspection?

6 / 30

What can happen if your vehicle’s suspension system is damaged?

7 / 30

What is the maximum allowable steering wheel play for most commercial vehicles?

8 / 30

When must the driver complete a brake adjustment check?

9 / 30

What must the low air warning system activate before?

10 / 30

When using a trailer hand valve, what must the driver avoid?

11 / 30

When must load securement devices be re-checked during transit?

12 / 30

How can a driver test the air pressure buildup rate?

13 / 30

What is one reason spring brakes may not apply when expected?

14 / 30

What is a sign of air leakage in the glad hands?

15 / 30

Why is parking a commercial vehicle on an incline without wheel chocks dangerous?

16 / 30

What type of braking system uses both air and mechanical springs for emergency braking?

17 / 30

What does excessive pedal travel during braking suggest?

18 / 30

Why is double-clutching often used in commercial vehicles?

19 / 30

What should be done if the load is unevenly distributed?

20 / 30

What kind of damage in a tire sidewall is considered a major defect?

21 / 30

What can result from dragging brakes?

22 / 30

What is the first thing a driver must do during any trip inspection?

23 / 30

What is the function of the air dryer in an air brake system?

24 / 30

Why is proper mirror adjustment critical for commercial vehicles?

25 / 30

Why must you never adjust automatic slack adjusters manually?

26 / 30

hat is the maximum allowable movement of pushrod travel during brake adjustment?

27 / 30

Which part of a commercial vehicle can be damaged by improper shifting techniques?

28 / 30

Why must the tractor protection valve function correctly?

29 / 30

What must be checked when inspecting coupling devices?

30 / 30

Why is it important to check the vehicle’s fire extinguisher?

Your score is

The average score is 24%

0%

What to Expect on the Official SAAQ Commercial Knowledge Test

Before you can hit the road in a heavy commercial vehicle, you must pass the SAAQ’s Class 1 written knowledge test. This exam evaluates your understanding of laws, safety standards, and inspection procedures required to operate a tractor-trailer in Quebec.

Section Estimated Content
Road Signs & Traffic Signals Approximately 40 multiple-choice questions
Rules of the Road Questions focused on heavy vehicle regulations and operation
Vehicle Operation & Inspection Emphasis on pre-trip inspections, cargo securement, and safety
Air Brake Knowledge (Class F) Mandatory for Class 1 – includes system operation & inspection
Passing Score Minimum 80% required to pass

Frequently Asked Questions – Quebec Class 1 Licence

A Class 1 licence allows you to drive heavy combination vehicles such as tractor-trailers and semi-trucks, including any vehicle in Class 2, 3, 4B, 4C, and 5.

You must be at least 18 years old, hold a valid Class 5 licence, pass a medical and vision test, complete mandatory training (if applicable), and pass both a written and road test.

Yes. Most Class 1 vehicles use air brakes, so passing the air brake knowledge test and practical brake inspection is mandatory.

Yes, for Class 1, the knowledge test is available online through the SAAQ’s platform. A score of at least 80% is required to pass.

The test includes approximately 40 questions on road signs, plus additional sections on vehicle operation, inspections, safety, and air brake systems.

If you’re under 25 years old, the Mandatory Training Program (PEACVL) is required before you can take the road test. Older applicants are highly encouraged to take training through an accredited school.

You’ll need valid ID, your current driver’s licence, proof of residency, your medical certificate (if required), and training proof for younger drivers.

A commercial licence in Quebec is typically valid for 4 to 8 years, depending on age and medical status. Regular renewal includes medical updates.

Yes. You can retake the test after a waiting period. It’s recommended to review the SAAQ handbook and use practice tests before your next attempt.

Free Quebec Class 1 Driver Licence Practice Test

Free Quebec Commercial Test Prep – Tractor-Trailer (Class 1) & Air Brake (Class F)

Getting your Class 1 commercial driver’s licence in Quebec is your gateway to a high-demand career—whether you’re transporting freight across provinces or starting in the logistics and transport industry. Before you can get behind the wheel of a tractor-trailer, you must pass the SAAQ Class 1 knowledge test, and preparation is the key to your success.

Our free Quebec Class 1 practice tests are designed to help you pass on your first attempt. Every question is 100% based on the official SAAQ Heavy Vehicle Driver’s Handbook and reflects the real format used during the knowledge exam.

With realistic multiple-choice questions, no registration required, and unlimited access, you’ll gain the confidence and knowledge needed to drive professionally and safely.


Whether You’re Just Starting or Upgrading Your Licence…

Whether you’re a new driver aiming for Class 1 or preparing for the air brake endorsement (Class F), our Quebec commercial practice tests are the best tool to support your success.


🚛 Ready to Start Your Career in Commercial Driving?

Start practicing today and take your first confident step toward earning your Quebec Class 1 licence. With the right preparation tools, you’ll be ready to pass the written exam and begin your journey as a professional truck driver in Quebec.


👉 Take Our Free Quebec Class 1 Practice Test
📘 Download the Official SAAQ Heavy Vehicle Handbook
📺 Watch Our Licence Prep Videos on YouTube: @usadmvpermitpracticetest
🌐 Visit: usadmvpermitpracticetest.com

01

Why Get a Class 1 Commercial Driver’s Licence in Quebec?

Quebec’s trucking and transportation industry is growing fast, with high demand for trained Class 1 commercial drivers. Whether you want to drive long-haul tractor-trailers across provinces or begin a stable local trucking career, a Class 1 licence opens the door.

With a Class 1 licence, you can access:

✅ Well-paying job opportunities in freight and logistics
✅ Long-distance or regional driving careers
✅ Opportunities to move into fleet management or training
✅ Job security in a high-demand field

02

Understanding Class 1 Licensing in Quebec

A Class 1 licence allows you to operate any road vehicle or combination of vehicles, including:

  • Tractor-trailers and semi-trucks

  • Any vehicle covered under Class 2, 3, 4B, 4C, and 5

  • Vehicles equipped with air brakes (F endorsement required)

To drive these professionally in Quebec, you must pass both knowledge and road tests through the Société de l’assurance automobile du Québec (SAAQ).

03

About the Quebec Class 1 Knowledge Test

The SAAQ knowledge test for Class 1 evaluates your understanding of:

  • Commercial driving responsibilities

  • Vehicle inspections and mechanical awareness

  • Road signs, markings, and traffic laws

  • Safety and defensive driving

  • Air brake system operation (F endorsement)

Test Format:

  • Multiple-choice

  • Randomized questions

  • Must achieve 80% or higher to pass

  • Test available in English or French

  • Online option available for Class 1

04

Practice Before You Write – Free Quebec Class 1 Practice Test

Prepare confidently with our free practice tests based entirely on the official SAAQ handbook. Each question mimics the real exam, including:

✅ Realistic test format
✅ Detailed answer explanations
✅ Covers all required topics
✅ Unlimited retakes

👉 Start practicing now to boost your chances of passing on the first try!

05

What to Study for the Quebec Class 1 Knowledge Test

Use the SAAQ Heavy Vehicle Driver’s Handbook as your main study guide. Focus on:

  • Pre-trip inspections

  • Safe driving procedures for heavy vehicles

  • Load securement and logbook rules

  • Air brake systems (Class F)

  • Road signs, markings, and traffic signals

Tip: Combine the handbook with our online practice tests for the best results.

06

Eligibility Requirements for a Class 1 Licence in Quebec

To apply for a Class 1 commercial licence, you must:

  • Be at least 18 years old

  • Hold a valid Class 5 (or higher) licence

  • Pass a vision test and medical exam

  • Complete mandatory training if under 25

  • Pass the Class 1 knowledge test

  • Pass a road test in a tractor-trailer vehicle

  • Obtain F endorsement (air brakes) if required

07

Air Brake Endorsement (Class F)

Most Class 1 vehicles require an air brake system. To drive them, you must:

  • Take an approved air brake (F) course

  • Pass a knowledge test on air brakes

  • Pass a practical brake inspection test

👉 We also provide a dedicated Air Brake Practice Test to help you master this section.

08

Booking Your Class 1 Test in Quebec

You can book your Class 1 knowledge test through the SAAQ website or by phone. Some parts may be completed online.

Bring the following:

  • Valid photo ID

  • Proof of residency and licence

  • Medical exam results (if applicable)

  • Training documentation (if required)

  • Payment for applicable fees

📍 Visit: saaq.gouv.qc.ca

09

Tips to Pass the Class 1 Knowledge Test

✅ Study the SAAQ Handbook thoroughly – don’t skip inspection procedures or diagrams
✅ Use practice tests to reinforce memory and reduce test anxiety
✅ Focus on air brake systems—they’re often misunderstood
✅ Understand pre-trip inspection steps clearly
✅ Ask other commercial drivers or trainers if you have questions

10

Get Started – Free Quebec Class 1 Practice Test

✅ Based on the official SAAQ Heavy Vehicle Handbook
✅ Unlimited attempts & instant feedback
✅ Covers inspections, signs, air brakes, and safety rules
✅ Free to use, no login needed

👉 Start Practicing Now
📘 Download the SAAQ Handbook
📺 Watch our Prep Videos on YouTube: @usadmvpermitpracticetest
🌐 Visit: usadmvpermitpracticetest.com

 

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