Quebec Commercial Drivers License Class 4 Practice Test 4

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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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Quebec Class 4 Practice Test 4

A 20 question practice test to help prepare you for the Class 4 knowledge test in Quebec

1 / 21

How often should you look at your mirrors?

Only when their are vehicles behind you

About every 10-12 seconds

About every 5 to 8 seconds

Only when backing up

2 / 21

If someone is following you too closely, what should you do?

Call the police and report the driver

Slow down so the vehicle behind you will pass you

Honk and hit your brakes quickly to make them slow down

Gradually increase the space between you and the vehicle behind you

3 / 21

When is it not necessary to do a shoulder check?

When merging onto a highway

When changing lanes

When trying to see how close the car behind you is

When pulling off to the side of the road

4 / 21

What should you do if your car starts to skid?

Accelerate and steer into the skid

Shift into neutral and let go of the steering wheel

Slow down and steer where you want to go

Nothing, ABS will take care of it

5 / 21

What does this sign warn you of?

Strong crosswinds on this road

This road is cleaned frequently

Scary water monsters on this road

This road is prone to flooding

6 / 21

What does this yellow diamond warning sign mean?

Road ends in 3.9 meters

Only vehicles over 3.9 meters wide allowed

Underpass ahead, clearance is 3.9 meters

Narrow road up ahead

7 / 21

Why should you do a shoulder check when making a right turn?

Wave to the car behind you before turning

To scratch your chin on your shoulder

To check for cyclists and other vehicles

Make sure you are in the right lane

8 / 21

What does this sign mean?

Narrow road up ahead

Danger of tipping at high speeds on this corner

Road grade might vary over the next 50km

Winding road up ahead

9 / 21

What are your space margins?

The space between your vehicle and the vehicle behind you

Creatures from outer space

The distance between your vehicle and other road users

The distance between your vehicle and the curb

10 / 21

When performing a turnaround with a school bus, the correct procedure is to

Only back onto a highway if there are no vehicles coming in either direction

Unload passengers just before you begin reversing

Wait for traffic to pass around you before reversing safely

Stop the bus approximately three bus lengths ahead of the road you will be reversing into

11 / 21

What is a taxi?

Any vehicle with a capacity of 10 people

A driver for hire vehicle

A driver for hire vehicle with a capacity of less than 10 people

Any vehicle used for public transportation

12 / 21

What does this speed sign mean?

The current speed limit

The truck weight limit

The limit of cars for the bridge

The speed limit changes up ahead

13 / 21

What is this signs purpose?

Curver marker

Direction of the next stop sign

Marks a highway on ramp

Points to the nearest hospital

14 / 21

Which types of vehicles must carry fire extinguishers?

Vehicles transporting dangerous goods

Passenger directed vehicles carrying more than 10 people

All of these

School buses

15 / 21

What does this sign warn you of?

You are crossing a runaway truck lane

The truck driver is on the run from the law

Trucks will cross-dock freight up ahead

Big hill coming up, slow down

16 / 21

What does this sign mean?

The road ahead is closed

The road ahead is challenging

The name of the street you are on

Tells you the name of the city ahead

17 / 21

What license do you need to have before applying for a commercial drivers license in BC?

Class 3

Class 1

Class 5

You don't need a license

18 / 21

What does the sign below tell you?

This is a school zone when the lights are flashing

School zone. Observe the speed limit shown when the yellow lights are flashing

When lights are flashing it is safe to cross the road

This road has a maximum speed limit of 40km/h at all times

19 / 21

Where does a large vehicle have blind spots?

At the back of the vehicle

In front, behind, and on both sides

On the passenger side and at the back

At the front of the vehicle

20 / 21

What should you do when driving at night?

Drive under the speed limit

Always have your high beams on

Drive at the speed limit

Drive at a safe speed that allows you to stop in the distance you can see

21 / 21

When driving with your high beams on, you see a car in the oncoming lane. When do you turn your high beams off?

When the car is 150 metres away

When the other car turns their high beams off

When the car is 200 metres away

When it is safe to do so

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The average score is 83%

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.