New Brunswick Commercial Drivers License Class 3 Practice Test 3

Commercial Driver HQ is a website focused on helping new commercial drivers in all provinces and territories in Canada.

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.

Compatible on desktop, mobile, and tablet, you can take these tests anywhere you have internet access.

Take the practice test!

Created by

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

When brakes become overheated they also become?

Extra efficient

Very hot

Dangerously inefficient

None of the above

2 / 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

3 / 20

What does this yellow sign mean?

Restroom ahead

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

Drivers ahead are logging their hours in their ELDs

The next x Km take you through a forest

4 / 20

What emergency items are required in a commercial vehicle?

Flares, first aid kit fire extinguisher, and flashlight

Gloves, first aid kit and fire extinguisher

Flags, first aid kit and flashlight

Traffic cones, first aid kit and fire extinguisher

5 / 20

Which can contaminate a brake systems air lines?

Dirt

Grease and oil

Water and salt

Dust

6 / 20

Why are their two service tanks?

For efficiency

Incase you need more stopping power

For fuel economy

For safety

7 / 20

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

School hours

In residential areas only

During the day

Anytime

8 / 20

Drivers need to perform a vehicle inspection every ________.

72 hours

Week

24 hours

Month

9 / 20

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

Group all of the material to one side of the box

Group all of the material to the back of the box

Secure the load only if it is a carrier policy

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

10 / 20

Looking at your laptop while driving is _____?

Prohibited

Multi-tasking

Encouraged

11 / 20

When is an engine retarder most efficient?

High RPMs and high speeds

High RPMs and lower speeds

Lower RPMs and lower speeds

Lower RPM and higher speeds

12 / 20

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

Drive at full speed

Tap on them

Pull on them

Inspect them

13 / 20

What does this red sign mean?

Come to a complete stop

Stop only if other vehicles approaching

Rolling stop

Stop up ahead

14 / 20

What is this sign for?

Reminds drivers that speed limits in Canada are in metric

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

Directions to a TED talk

Reminds drivers that the temperature in Canada is meausured in metric

15 / 20

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

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

Braking conditions, tire traction, truck weight, driving speed

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

Driving speed, weather conditions, tire pressure, reaction time

16 / 20

What does this square sign mean?

Do not stop between the signs

No standing

No stop signs in this area

No entry in this intersection

17 / 20

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

Back the vehicle up quickly, there are other trucks waiting

Make sure the backing alarm is on

Rely on the hand signals of the guide

Make sure the guide is directly behind you

18 / 20

What does this sign mean?

Danger of tipping at high speeds on this corner

Road grade might vary over the next 50km

Narrow road up ahead

Winding road up ahead

19 / 20

What is the wheel base of a vehicle?

Distance between the front and rear axle

How much room is needed to turn safely

The size of the tires on the rear axle

The surface of the road covered by the tires

20 / 20

What is the service brake used for?

Emergency braking

Drifting

Normal braking

None of these

Thanks for taking the practice test!

Enter your info to sign up for our mailing list or click "See Result" to move on.

NameEmail

Your score is

The average score is 87%

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.