New Brunswick Commercial Drivers License Class 3 Practice Test 3

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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

New Brunswick Class 3 Practice Test 3

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

1 / 20

Drivers need to perform a vehicle inspection every ________.

Month

Week

72 hours

24 hours

2 / 20

What does this red sign mean?

Stop only if other vehicles approaching

Come to a complete stop

Stop up ahead

Rolling stop

3 / 20

To make sure the air tanks are securely attached to the vehicle you should?

Drive at full speed

Pull on them

Tap on them

Inspect them

4 / 20

After loading a dump truck, what must you do before moving the vehicle?

Group all of the material to the back of the box

Secure the load so that it will not blow or fall off

Secure the load only if it is a carrier policy

Group all of the material to one side of the box

5 / 20

Which can contaminate a brake systems air lines?

Dust

Water and salt

Grease and oil

Dirt

6 / 20

The best way to reduce rough and abrupt braking is to?

Wear a helmet in the cab

Follow other vehicles at a safe distance

Ride the brake pedal all the time

Drive on highways only

7 / 20

What is the service brake used for?

Normal braking

Drifting

None of these

Emergency braking

8 / 20

Why are their two service tanks?

For efficiency

Incase you need more stopping power

For fuel economy

For safety

9 / 20

When brakes become overheated they also become?

None of the above

Extra efficient

Very hot

Dangerously inefficient

10 / 20

Looking at your laptop while driving is _____?

Prohibited

Encouraged

Multi-tasking

11 / 20

When is an engine retarder most efficient?

Lower RPMs and lower speeds

High RPMs and high speeds

Lower RPM and higher speeds

High RPMs and lower speeds

12 / 20

What does this sign mean?

Road grade might vary over the next 50km

Winding road up ahead

Danger of tipping at high speeds on this corner

Narrow road up ahead

13 / 20

What does this square sign mean?

No standing

No entry in this intersection

No stop signs in this area

Do not stop between the signs

14 / 20

What does this yellow sign mean?

The next x Km are a logging road, beware of logging trucks

Drivers ahead are logging their hours in their ELDs

Restroom ahead

The next x Km take you through a forest

15 / 20

What is this sign for?

Means actual speeed limit in a 50km/h zone is 80km/h

Reminds drivers that speed limits in Canada are in metric

Reminds drivers that the temperature in Canada is meausured in metric

Directions to a TED talk

16 / 20

What emergency items are required in a commercial vehicle?

Traffic cones, first aid kit and fire extinguisher

Gloves, first aid kit and fire extinguisher

Flags, first aid kit and flashlight

Flares, first aid kit fire extinguisher, and flashlight

17 / 20

What is the wheel base of a vehicle?

Distance between the front and rear axle

The surface of the road covered by the tires

The size of the tires on the rear axle

How much room is needed to turn safely

18 / 20

What are the four factors that affect commercial vehicle stopping distance?

Reaction time, truck weight, distance to the vehicle ahead, distance of the vehicle behind you

Driving speed, weather conditions, tire pressure, reaction time

How many people in the truck, truck weight, driver awareness, truck speed

Braking conditions, tire traction, truck weight, driving speed

19 / 20

When should you be ready to stop for a school bus?

School hours

In residential areas only

During the day

Anytime

20 / 20

When backing up to unload a dump truck, what should you do?

Make sure the backing alarm is on

Back the vehicle up quickly, there are other trucks waiting

Rely on the hand signals of the guide

Make sure the guide is directly behind you

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The average score is 86%

Want to know more? Learn all about getting your Class 3 drivers license in New Brunswick

More New Brunswick Commercial Driving Practice Tests

New Brunswick Class 1 Practice Tests

New Brunswick Class 3 Practice Tests

New Brunswick Class 4 Practice Tests

Air Brakes Practice Tests

New Brunswick 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.