Quebec Commercial Drivers License Class 1 Practice Test 1

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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.

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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?

Note the defects in your log

Repair the defects immediately

Fix what you can yourself

Fix only the minor defects

2 / 20

What is the wheel base of a vehicle?

How much room is needed to turn safely

Distance between the front and rear axle

The size of the tires on the rear axle

The surface of the road covered by the tires

3 / 20

What colour are the lights on a school bus arm?

Green

Blue

Yellow

Red

4 / 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

5 / 20

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

Keep your wheels close to the centre line

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

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

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

6 / 20

Most air brake systems will use automatic valves to?

Increase pressure at the back wheels

Reduce pressure at the front wheels

Reduce pressure at the back wheels

Increase pressure at the front wheels

7 / 20

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

Dust mask, safety glasses

Steel toe boots, safety glasses, hard hats

Shorts and Crocs

Sandals and shorts

8 / 20

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

Leaky tractor protection valve

Leaky glad hand seals

Defective governor

Leaky supply tank

9 / 20

Where are the air brake chambers located?

Near the compressor

At each wheel

At the back wheels

At the front wheels

10 / 20

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

Drive on highways only

Ride the brake pedal all the time

Wear a helmet in the cab

Follow other vehicles at a safe distance

11 / 20

How do you fix a leaky glad hand?

Swap the service and supply lines

Lower pressure in the sytem

Tape the seal with duct tape

Inspect the seal for dirt and grit and replace if necessary

12 / 20

What does this sign tell you?

Parking beside trucks only

Trucks parked on the road up ahead

Defines a commercial vehicle parking area

Police truck supply route

13 / 20

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

The kingpin on the trailer

The lines painted on the pavement

The trailer

None of the above

14 / 20

What does this sign tell you?

There is a 125 tonne capacity

The speed limit is 125km/h

Maximum 125 drivers in this lane

You are on highway 125

15 / 20

What does this plate style sign mean?

Secondary entrance

No parking

Do not enter

No standing

16 / 20

What is a Quebec T-Endorsement?

Allows Class 5 drivers to operate taxi cabs in Montreal

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

Allows Class 3 drivers to operate a tandem motorcycle

Allows all classes of drivers to drive trailer combinations

17 / 20

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

Try to push the vehicle to safety

Call the police

Remain in the vehicle and rock it back and forth

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

18 / 20

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

Log cycle

All of these

Where you start and end your day

Driver name

19 / 20

The maximum allowable height for a road vehicle is?

4.15 m

5.25 m

4.10 m

3.65 m

20 / 20

What should a trailer hand valve be used for?

Applying the spring brakes

Stopping the trailer at stop lights

To link a trailer that is not equipped with spring brakes

Lowering the trailers landing gear

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The average score is 80%

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.