New Brunswick Commercial Drivers License Class 3 Practice Test 2

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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 2

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

1 / 20

Before driving down a grade (hill), you should?

Check your mirror

Honk your horn

Choose an appropriate gear

Pick up some speed

2 / 20

What does this sign mean?

The speed limit is 50km/h

The speed limit changes to 50km/h ahead

Police up ahead

Highway 50 is ahead

3 / 20

To measure the time it takes to build up pressure in the air system, the engine should be idling between _______________.

1000 to 2000 RPM

800 to 1000 RPM

600 to 900 RPM

200 to 500 RPM

4 / 20

A circle check is?

A visual check for cosmetic damage

A daily check of your vehicles roadworthiness

Drawing circles to prove you are not tired

Testing your brakes while driving in a circle

5 / 20

What is a "glad hand"?

An emergency supply line

The crank for the trailer legs

A dance move

A coupling device

6 / 20

You should be looking for this when checking your brake chambers?

All of the below

New holes from wear and tear

Cracks or other damage

Mismatched slack adjuster lengths

7 / 20

Which piece of information needs to appear on your drivers log?

Where you start and end your day

All of these

Log cycle

Driver name

8 / 20

What is the wheel base of a vehicle?

The size of the tires on the rear axle

How much room is needed to turn safely

Distance between the front and rear axle

The surface of the road covered by the tires

9 / 20

When can your vehicle be inspected on a highway?

At weight stations

Anytime

During the day

Never

10 / 20

What should you do when the air brakes low pressure warning comes on?

Call the police to let them know

Stop safely and immediately

Slow down but keep driving

Check it at the nearest garage

11 / 20

What colour are the lights on a school bus arm?

Blue

Red

Yellow

Green

12 / 20

What does this sign mean?

Left turns only on weekends

No U-turns during the time posted

Road to the left is closed during the posted times

No left turns during the posted times

13 / 20

What does this sign mean near a roundabout?

No passing trucks on the inside of the circle

No driving under the trucks

No fishtailing trucks

Trucks are bigger than cars

14 / 20

Which of these vehicle driver’s are exempt from the Hours of Service Regulations?

All of the above

Tow vehicles

Mobile cranes

RV’s or Motor Homes

15 / 20

What does this sign tell you?

Always use winter tires or chains

Happy Halloween!

Carry chains or use winter tires during these dates

Loose gravel ahead

16 / 20

When performing a normal stop, how should you press the brake pedal?

As hard as possible at first and then pump the brakes

Apply a little bit at a time until the vehicle stops

Slowly with light pressure

Steady pressure at the beginning, ease as the vehicle slows

17 / 20

What does this sign tell you?

This is the exit for a parking area to take a break in

Exit sign for the town Brake Check

Tells you brake check area is coming up

This is the exit for the brake check area

18 / 20

Where are the air brake chambers located?

Near the compressor

At the front wheels

At the back wheels

At each wheel

19 / 20

Which colour represent the trailer supply line?

Red

Yellow

Blue

White

20 / 20

What is the purpose of the National Safety Code?

Determines minimum safety standards for car manufacturers

Determines how many hours a commercial driver can safely drive

To set out minimum safety standards for commercial vehicles, drivers and carriers operating in Canada

Determines rules for safe operation of many different tasks and vehicles in Canada

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Your score is

The average score is 89%

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.