Quebec Commercial Driver Test 03

Are you a heavy vehicle driver in Quebec and looking to obtain your commercial driver’s license? Before taking the official exam, preparing yourself with ample practice and knowledge about the rules is crucial. Luckily, Quebec offers a free Commercial Driver Practice Test that can be taken online anytime, anywhere. By taking this test, you can evaluate your abilities and get familiar with the exam format and questions.

1 / 30

If you double the vehicle weight, how much braking power do you need?

Double

The same

Quadruple

Triple

2 / 30

Which of the following is not a step used if your vehicle begins to hydroplane?

Downshift to the lowest gear

Avoid braking

Take your foot off the accelerator

Once you have regained control of your vehicle, resume normal speed

3 / 30

Should you signal other drivers to pass you?

Yes

Only if you see the way is clear

If the other driver seems unsure

4 / 30

Before driving down a steep grade, you should...

Be prepared to shift into an appropriate gear

Shift into a gear that allows you to maintain control of your vehicle's speed

Shift to neutral

Drop your speed to 20 km below the speed limit

5 / 30

On a secondary road, the first warning signal should be placed on the ground approximately...

3 m behind the stopped vehicle and in line with the left side of the vehicle

12 m behind the stopped vehicle and in line with the left side of the vehicle

3 m behind the stopped vehicle and in line with the right side of the vehicle

3 m ahead of the stopped vehicle and in line with the left side of the vehicle

6 / 30

On a secondary road, a third warning signal is placed approximately...

15 m ahead of the vehicle and in line with the left side of the vehicle

30 m ahead of the vehicle and in line with the right side of the vehicle

50 m ahead of the vehicle and in line with the left side of the vehicle

30 m ahead of the vehicle and in line with the left side of the vehicle

7 / 30

On a highway, a one-way road, or any other public thoroughfare where there is no oncoming traffic, a second warning signal should be placed approximately...

Anywhere behind the first warning signal

30 m behind the vehicle and opposite with the first warning signal

55 m behind the vehicle and in line with the first warning signal

30 m behind the vehicle and in line with the first warning signal

8 / 30

If backing up to the right and using a helper, where should they stand?

Directly behind the vehicle

Visible on the left side

Visible on the right side

Directly in front of the vehicle

9 / 30

If you need to start your vehicle on an uphill grade, what can you do to keep your vehicle from coasting backwards?

None of these

Chock the wheels

Place it in park

Use your service brake

10 / 30

Often the best way to determine whether you have a flat tire, other than noise or vibration, is to do what?

Watch the gauges

Pull over and check for yourself

All of these

Watch for the warning lights

11 / 30

A flat tire on a dual-wheeled semi-trailer may have very little impact on your driving, but the extra weight on the other wheel may do what?

Damage it

Cause brake fade

Build heat in the brakes

Make it come loose

12 / 30

In certain situations, particularly when your vehicle is loaded, you can use your supplemental brakes to help you do what?

Maintain the desired speed without overusing your service brakes

Save tire wear

Shorten your stops

Stop using your service brakes

13 / 30

On a highway, a one-way road, or any other public thoroughfare where there is no oncoming traffic, first warning signal should be placed approximately...

15 m ahead of the stopped vehicle and in line with the left side of the vehicle

3 m behind the stopped vehicle and in line with the left side of the vehicle

12 m behind the stopped vehicle and in line with the left side of the vehicle

6 m behind the stopped vehicle and in line with the right side of the vehicle

14 / 30

It is natural to want to stop your vehicle immediately when a flat occurs, but instead of slamming on the brakes, you should...

Use the emergency brake

Have a steady pressure on the brakes

Downshift to the lowest gear right away

Maintain speed and concentrate on easing off the road as you gradually reduce your speed

15 / 30

Supplemental brakes are most fully effective when...

Going uphill

None of these

Applied at the point when the engine is turning at maximum RPM for a given gear

Applied at the point when the engine is turning at minimum RPM for a given gear

16 / 30

Before you begin backing up, what is it essential for you to do?

Tap the horn four times

None of these

Radio to the docks

Take a moment to look at the layout of the surrounding area

17 / 30

Why should you pay special attention to the percentage on the steep hill sign?

It lets you know which gear to use

The higher the percentage, the steeper the grade

All of these

It lets you know if you should change your route

18 / 30

Which of the following are not recommendations to increase your vehicle's visibility while backing up?

When possible, plan to arrive on the same side as the loading dock

Tap your horn

Do not turn on your headlights (high beams) as they could blind other drivers

Use your hazard lights

19 / 30

You should back up by steering the rear of the vehicle toward the driver's side (to the left) if at all possible because...

It's easier to turn to the left

Company policy

This allows you to see a part of the area behind the vehicle

None of these

20 / 30

The estimated time lag between when the driver sees a danger and when the brakes begin to slow the vehicle is...

Two seconds

Half a second

One second

Three seconds

21 / 30

In the event of a breakdown, in addition to hazard lights, you should...

Use flares or red reflectors to show that your vehicle is stopped

Turn off all electrical accessories to save the battery

Use your parking lights

All of these

22 / 30

On a secondary road, a second warning signal is placed on the ground approximately...

30 m behind the vehicle and opposite with the first warning signal

30 m behind the vehicle and in line with the first warning signal

Anywhere behind the first warning signal

15 m behind the vehicle and in line with the first warning signal

23 / 30

If your vehicle is equipped with air brakes, why should you avoid pumping the brakes when going downhill?

It adds extreme heat to the brakes

All of these

It causes brake fade

This will quickly reduce the air pressure in the reservoirs

24 / 30

Are you required to check your brakes before starting down a hill?

Depending on the brake system you have

Yes

Depends on the steepness of the hill

25 / 30

When are use of flares prohibited?

In windy conditions

If your vehicle is carrying flammable, explosive or dangerous substances or materials

In rainy conditions

During daylight hours

26 / 30

What's the best way to move up a steep hill?

Shift to a higher gear

Put on your hazard lights

Get a lot of speed up before going up the hill

Downshifting to achieve maximum efficiency

27 / 30

What happens to your brakes when you apply your brakes repeatedly or over an extended period of time while driving down a long grade?

They grab and stop you quickly and unexpectantly

They may overheat and fade

None of these

They begin to squeal

28 / 30

What is hydroplaning?

When a thin layer of water then forms between the tire and the road surface, causing the tires to lose their grip on the road

None of these

When a tire goes through a deep puddle, causing the tires to lose their grip on the road

When a deep layer of water then forms between the tire and the road surface, causing the tires to lose their grip on the road

29 / 30

If you double your speed, your stopping distance is...

The same

Tripled

Quadrupled

Doubled

30 / 30

On a highway, a one-way road, or any other public thoroughfare where there is no oncoming traffic, a third warning signal should be placed approximately...

120 m behind the vehicle and in line with the other warning signals

50 m behind the vehicle and opposite with the other warning signals

100 m behind the vehicle and in line with the other warning signals

60 m behind the vehicle and in line with the other warning signals

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Quebec Commercial Driver Test 03

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