Quebec Commercial Drivers License Class 3 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 3 Practice Test 1

A 20 question practice test to help prepare you for the Class 3 knowledge test in Quebec

1 / 20

Looking at your laptop while driving is _____?

Multi-tasking

Encouraged

Prohibited

2 / 20

What does this plate style sign mean?

Secondary entrance

No standing

No parking

Do not enter

3 / 20

Activation of trailer spring brakes can be checked by?

Applying slight engine power

Pulling the trailer air valve

Rocking the truck back and forth

Gunning it

4 / 20

What is this signs purpose?

Marks a highway on ramp

Direction of the next stop sign

Curver marker

Points to the nearest hospital

5 / 20

What must you do at a stop sign with a painted stop line?

Come to a complete stop

Look quickly before proceeding

Perform a rolling stop

Take a sip of your coffee

6 / 20

What type of training do you need to operate air brakes?

Z-endorsement

Class M License

A college course

AB License

7 / 20

Which can contaminate a brake systems air lines?

Water and salt

Dirt

Dust

Grease and oil

8 / 20

Where are you most likely to see this road sign?

When entering Ontario

In residential areas

When entering Quebec

Near the USA border and airports

9 / 20

When can your vehicle be inspected on a highway?

Never

During the day

Anytime

At weight stations

10 / 20

A warning system must alert the driver when the pressure drops below?

380 kPa (55 psi)

551 kPa (80 psi)

413 kPa (60 psi)

242 kPs (35 psi)

11 / 20

What is the "cut in" level?

The safest pressure level you can turn off the truck at

The pressure level that triggers the governor to turn on the air compressor

The maximum speed the air brakes can stop at

The pressure level that triggers the governor to cut off the air compressor

12 / 20

What does this warning sign with a truck rolling down a hill mean?

Steep hill ahead. You may need to use a lower gear

Truck runaway up ahead

Truck entrance up ahead

Trucks roll faster downhill

13 / 20

What does this orange sign mean?

Do not turn left

Right turn only

Left turn only

Follow the direction of the flashing sign

14 / 20

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

Where you start and end your day

Log cycle

All of these

Driver name

15 / 20

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

Try to push the vehicle to safety

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

Call the police

Remain in the vehicle and rock it back and forth

16 / 20

What is the best way to inspect an air compressor?

With the engine on in first gear

With the engine off

With the engine on and in high gear

With the engine on in neutral

17 / 20

If a vehicle has an air brake defect, The Highway act states that?

The vehicle is ok to drive on any road or highway

The air brake defect must be checked at the next inspection station

The vehicle may not be operated on a road or highway

The vehicle may operate on a road under 40km/h

18 / 20

Tired drivers are often compared to?

Busy drivers

Good drivers

Impaired drivers

Productive drivers

19 / 20

When inspecting your brakes, you must?

All of these

Drive the vehicle to level ground

Apply spring brakes

Block the truck with wheel chocks

20 / 20

Your truck or other commercial vehicle must be have?

Spare tires

Moving blankets

Portable reflectors

Water

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Your score is

The average score is 83%

Ready to take the real knowledge test? Find out more about completing your Class 3 drivers license in Quebec

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.