Quebec Commercial Drivers License Class 1 Practice Test 1

Commercial Driver HQ is a website focused on helping new commercial drivers in all provinces and territories in Canada.

Our FREE practice tests are designed to help you succeed when it comes time to write the real test.

Each license type has 5 tests to help you study and become familiar with the rules and regulations of commercial driving. The tests are not identical to the license test you will need to pass, but the questions are similar to what you will find on the real deal.

Compatible on desktop, mobile, and tablet, you can take these tests anywhere you have internet access.

Take the practice test!

Created by

Commercial Driver HQ

Quebec Class 1 Practice Test 1

A 20 question practice test to help prepare you for the Class 1 knowledge test in Quebec

1 / 20

After an inspection you find major defects in some parts, what do you do?

Repair the defects immediately

Fix only the minor defects

Fix what you can yourself

Note the defects in your log

2 / 20

When curving left, what should you do to ensure the back wheels stay in your lane?

Take up both lanes to ensure safety for everyone on the road

Keep your front wheels as close to the right side of your lane

Keep your front wheels inside the lane to the right of you

Keep your wheels close to the centre line

3 / 20

When backing up a to a trailer, align the 5th wheel slot with?

None of the above

The trailer

The kingpin on the trailer

The lines painted on the pavement

4 / 20

What should a trailer hand valve be used for?

Stopping the trailer at stop lights

Applying the spring brakes

Lowering the trailers landing gear

To link a trailer that is not equipped with spring brakes

5 / 20

What is the wheel base of a vehicle?

The size of the tires on the rear axle

Distance between the front and rear axle

How much room is needed to turn safely

The surface of the road covered by the tires

6 / 20

What does this sign mean?

The name of the street you are on

Tells you the name of the city ahead

The road ahead is challenging

The road ahead is closed

7 / 20

When inspecting an air brake system, the person inspecting should wear?

Shorts and Crocs

Dust mask, safety glasses

Steel toe boots, safety glasses, hard hats

Sandals and shorts

8 / 20

What does this plate style sign mean?

No parking

Secondary entrance

Do not enter

No standing

9 / 20

Which piece of information needs to appear on your drivers log?

Log cycle

Driver name

Where you start and end your day

All of these

10 / 20

What colour are the lights on a school bus arm?

Green

Yellow

Red

Blue

11 / 20

How do you fix a leaky glad hand?

Inspect the seal for dirt and grit and replace if necessary

Swap the service and supply lines

Lower pressure in the sytem

Tape the seal with duct tape

12 / 20

What does this sign tell you?

The speed limit is 125km/h

There is a 125 tonne capacity

Maximum 125 drivers in this lane

You are on highway 125

13 / 20

What does this sign tell you?

Defines a commercial vehicle parking area

Trucks parked on the road up ahead

Police truck supply route

Parking beside trucks only

14 / 20

The maximum allowable height for a road vehicle is?

3.65 m

5.25 m

4.10 m

4.15 m

15 / 20

What is the most common cause of air loss in a trailer?

Leaky glad hand seals

Defective governor

Leaky tractor protection valve

Leaky supply tank

16 / 20

Most air brake systems will use automatic valves to?

Increase pressure at the back wheels

Reduce pressure at the front wheels

Increase pressure at the front wheels

Reduce pressure at the back wheels

17 / 20

Where are the air brake chambers located?

At the front wheels

At the back wheels

At each wheel

Near the compressor

18 / 20

The best way to reduce rough and abrupt braking is to?

Drive on highways only

Ride the brake pedal all the time

Follow other vehicles at a safe distance

Wear a helmet in the cab

19 / 20

What is a Quebec T-Endorsement?

Allows the Class 1 driver to operate a road train vehicle longer than 25 meters

Allows all classes of drivers to drive trailer combinations

Allows Class 5 drivers to operate taxi cabs in Montreal

Allows Class 3 drivers to operate a tandem motorcycle

20 / 20

What do you do if you get stuck over railway tracks?

Get out of the vehicle and stand away from it and call the police

Remain in the vehicle and rock it back and forth

Call the police

Try to push the vehicle to safety

Thanks for taking the practice test!

Enter your info to sign up for our mailing list or click "See Result" to move on.

NameEmail

Your score is

The average score is 79%

Did you pass the test? Find out what your next steps are with our Quebec Class 1 license guide

More Quebec Commercial Driving Practice Tests

Quebec Class 1 Practice Tests

Quebec Class 3 Practice Tests

Air Brakes Practice Tests

Quebec Class 4 Practice Tests

Quebec Road Signs Test

We do our best to keep the questions current and accurate. The testing centres may change the questions on the knowledge tests at any time. Always be prepared for surprises.

Many of the answers to the questions can be found in the driver hand books or learning materials your province provides.

DISCLAIMER:CDHQ is not affiliated with the provinces or any test centres. These practice tests should not be considered official tests and you are not granted a license for completing them. Our tests are simply a practice tool to help prepare yourself for the real test.