New Brunswick Commercial Drivers License Class 4 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 4 Practice Test 2

A 20 question practice test to help prepare you for the Class 4 knowledge test in New Brunswick

1 / 20

What is the wheel base of a vehicle?

How much room is needed to turn safely

Distance between the front and rear axle

The size of the tires on the rear axle

The surface of the road covered by the tires

2 / 20

If you find a defect on a school bus, you must?

Fix the defect during the next scheduled maintenance

Fix the defect within a week

Fix the defect before the bus can be operated again

Get the defect fixed eventually

3 / 20

What does this sign tell you?

Carry chains or use winter tires during these dates

Happy Halloween!

Always use winter tires or chains

Loose gravel ahead

4 / 20

What does this sign mean near a roundabout?

No passing trucks on the inside of the circle

No driving under the trucks

Trucks are bigger than cars

No fishtailing trucks

5 / 20

What does this sign mean?

The red zone is for loading only

No parking if you are waiting to load

No parking here, this is a loading zone

The white zone is for loading only

6 / 20

The most important thing when transporting a passenger is?

Keeping your schedule

Maximizing profits

High fuel efficiency

The passengers safety

7 / 20

Which step is not part of the pre-trip check?

Check your brakes

Check your lights

Check your seatbelts

Check your radiators and fluids

8 / 20

What does this sign mean?

The speed limit is 50km/h

Police up ahead

Highway 50 is ahead

The speed limit changes to 50km/h ahead

9 / 20

What information needs to be on your daily trip inspection report?

Any defects that affect the safe operation of the vehicle

All of these

The signature of the person inspecting the vehicle

The license plate or fleet number of the vehicle

10 / 20

What does this sign tell you?

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

Tells you brake check area is coming up

Exit sign for the town Brake Check

This is the exit for the brake check area

11 / 20

What should you do when driving at night?

Drive at a safe speed that allows you to stop in the distance you can see

Always have your high beams on

Drive under the speed limit

Drive at the speed limit

12 / 20

What does this yellow sign mean?

Drivers ahead are logging their hours in their ELDs

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

Restroom ahead

The next x Km take you through a forest

13 / 20

What does this sign mean?

No U-turns during the time posted

Road to the left is closed during the posted times

No left turns during the posted times

Left turns only on weekends

14 / 20

If your vehicle is having a hard time keeping up with traffic while climbing a grade, what should you do?

Keep to the right side of the road

Turn on your four-way flashers

Find a different route

Keep right and use your four-way flashers

15 / 20

At an intersection with no lights or stop signs you should?

Treat this intersection as a four-way stop

Keep up your speed and look for oncoming cars

Slow down and be ready to brake as you pass through

Honk your horn to signal your position to other drivers

16 / 20

What is the 2 second rule?

How long you can wait if you drop food while driving

How long it should take your vehicle to reach full speed

A rule for a safe following distance

A rule for how close to follow emergency vehicles

17 / 20

According to the Motor Vehicle Act Regulations, if a commercial vehicle falls under the National Safety Code, how often must it be inspected?

At the end of each day

Before and after use each day

Once a week

Before they are used each day

18 / 20

What is a commercial passenger vehicle?

A vehicle with 10 seats or less, used as public transportation or a vehicle for hire

A vehicle used as public transportation

A vehicle used to transport passengers for a fee

A vehicle with 10 seats or more, used as public transportation or a vehicle for hire

19 / 20

Which of these is not a Class 4 vehicle?

A taxi

An ambulance

16 passenger mini bus

30 passenger school bus

20 / 20

What does this sign mean?

No stopping between the signs

No stop signs left or right

Passenger drop off area

No parking between the signs

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The average score is 87%

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.