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

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

Depends on the steepness of the hill

Yes

Depending on the brake system you have

2 / 30

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

Stop using your service brakes

Shorten your stops

Save tire wear

Maintain the desired speed without overusing your service brakes

3 / 30

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

Visible on the right side

Visible on the left side

Directly in front of the vehicle

Directly behind the vehicle

4 / 30

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

Use your service brake

Place it in park

None of these

Chock the wheels

5 / 30

When are use of flares prohibited?

In rainy conditions

In windy conditions

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

During daylight hours

6 / 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 begin to squeal

None of these

They may overheat and fade

7 / 30

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

Three seconds

Two seconds

Half a second

One second

8 / 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

Build heat in the brakes

Cause brake fade

Make it come loose

9 / 30

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

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

Anywhere behind the first warning signal

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

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

10 / 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

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

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

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

11 / 30

Supplemental brakes are most fully effective when...

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

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

None of these

Going uphill

12 / 30

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

Doubled

Tripled

The same

Quadrupled

13 / 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

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

Downshift to the lowest gear right away

Have a steady pressure on the brakes

14 / 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

All of these

Watch for the warning lights

Pull over and check for yourself

15 / 30

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

The higher the percentage, the steeper the grade

All of these

It lets you know which gear to use

It lets you know if you should change your route

16 / 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

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

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

17 / 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

All of these

Use your parking lights

18 / 30

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

Radio to the docks

None of these

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

Tap the horn four times

19 / 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 left 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 right side of the vehicle

20 / 30

What is hydroplaning?

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

None of these

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

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

21 / 30

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

Get a lot of speed up before going up the hill

Downshifting to achieve maximum efficiency

Shift to a higher gear

Put on your hazard lights

22 / 30

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

Drop your speed to 20 km below the speed limit

Shift to neutral

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

Be prepared to shift into an appropriate gear

23 / 30

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

All of these

It causes brake fade

It adds extreme heat to the brakes

This will quickly reduce the air pressure in the reservoirs

24 / 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...

None of these

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

It's easier to turn to the left

Company policy

25 / 30

Should you signal other drivers to pass you?

Yes

If the other driver seems unsure

Only if you see the way is clear

26 / 30

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

Avoid braking

Take your foot off the accelerator

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

Downshift to the lowest gear

27 / 30

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

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 left side of the vehicle

3 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 right side of the vehicle

28 / 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

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

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

29 / 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

Use your hazard lights

Tap your horn

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

30 / 30

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

Double

Triple

The same

Quadruple

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Quebec Commercial Driver Test 03

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