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

What is the best way to inspect an air compressor?

With the engine off

With the engine on in first gear

With the engine on and in high gear

With the engine on in neutral

2 / 20

What does this plate style sign mean?

No standing

Do not enter

Secondary entrance

No parking

3 / 20

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

242 kPs (35 psi)

380 kPa (55 psi)

551 kPa (80 psi)

413 kPa (60 psi)

4 / 20

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

Driver name

Where you start and end your day

Log cycle

All of these

5 / 20

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

Trucks roll faster downhill

Truck runaway up ahead

Truck entrance up ahead

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

6 / 20

When inspecting your brakes, you must?

Apply spring brakes

All of these

Block the truck with wheel chocks

Drive the vehicle to level ground

7 / 20

What is the "cut in" level?

The maximum speed the air brakes can stop at

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

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

The safest pressure level you can turn off the truck at

8 / 20

What is this signs purpose?

Direction of the next stop sign

Curver marker

Points to the nearest hospital

Marks a highway on ramp

9 / 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

Try to push the vehicle to safety

Call the police

Remain in the vehicle and rock it back and forth

10 / 20

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

Come to a complete stop

Perform a rolling stop

Take a sip of your coffee

Look quickly before proceeding

11 / 20

What does this orange sign mean?

Follow the direction of the flashing sign

Right turn only

Do not turn left

Left turn only

12 / 20

Which can contaminate a brake systems air lines?

Grease and oil

Dust

Water and salt

Dirt

13 / 20

Where are you most likely to see this road sign?

In residential areas

When entering Ontario

Near the USA border and airports

When entering Quebec

14 / 20

When can your vehicle be inspected on a highway?

Never

At weight stations

Anytime

During the day

15 / 20

Your truck or other commercial vehicle must be have?

Moving blankets

Water

Spare tires

Portable reflectors

16 / 20

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

AB License

Z-endorsement

A college course

Class M License

17 / 20

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

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

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

The vehicle is ok to drive on any road or highway

The vehicle may not be operated on a road or highway

18 / 20

Looking at your laptop while driving is _____?

Multi-tasking

Encouraged

Prohibited

19 / 20

Tired drivers are often compared to?

Good drivers

Busy drivers

Productive drivers

Impaired drivers

20 / 20

Activation of trailer spring brakes can be checked by?

Pulling the trailer air valve

Applying slight engine power

Gunning it

Rocking the truck back and forth

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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.