New Brunswick Commercial Drivers License Class 4 Practice Test 5

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.

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Commercial Driver HQ

New Brunswick Class 4 Practice Test 5

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

1 / 20

What does the term "public transportation" mean?

All of these

Transportation of groups of people who are not your friends or family

Transportation provided by the public

Transportation of any group of people

2 / 20

What does this yellow sign mean?

Caution, railway tracks cross the road here

Streetcar lines up ahead

Watch out for power lines

Hidden intersection ahead

3 / 20

What does this arrow sign mean?

Traffic in one direction only

Right turn only

Two-way traffic ahead

Through traffic only

4 / 20

How often should you look at your mirrors?

About every 10-12 seconds

Only when backing up

Only when their are vehicles behind you

About every 5 to 8 seconds

5 / 20

When can you use the flashing red lights and sirens on an ambulance?

If you are stuck in traffic

When your shift is almost over

All of these

When responding to an emergency or transporting patients

6 / 20

How do you ease the vehicle into a smooth stop?

Put the vehicle into neutral

Slam on the brakes

Release pressure from the brake just before coming to a full stop

Pump the brake pedal

7 / 20

If you notice a defect that does not affect the safe operation of the vehicle, what should you do?

Ignore the defect and look for serious defects

Notify your boss or supervisor of the defect

Repair the defect right away and note in the pre-trip inspection

You may wait to repair but note the defect on the pre-trip inspection

8 / 20

Where does a large vehicle have blind spots?

At the back of the vehicle

On the passenger side and at the back

In front, behind, and on both sides

At the front of the vehicle

9 / 20

If someone is following you too closely, what should you do?

Honk and hit your brakes quickly to make them slow down

Gradually increase the space between you and the vehicle behind you

Slow down so the vehicle behind you will pass you

Call the police and report the driver

10 / 20

What does this sign tell you about commercial vehicles?

The lane is too narrow for trucks to turn

Watch out for truck dragging logs behind them

Trucks might have their left blinker on for no reason

Trailers with overhang might enter your lane when turning right

11 / 20

When driving with your high beams on, you see a car in the oncoming lane. When do you turn your high beams off?

When the car is 150 metres away

When it is safe to do so

When the car is 200 metres away

When the other car turns their high beams off

12 / 20

What does this yellow sign mean?

No speeding for trucks

Steep grade ahead, gear down before you get there

Trucking gear store

Trucks take the lower lane

13 / 20

Why do the hours of service regulations exist?

To keep drive time within the union rules

So drivers can spend more time with their families

So carriers can avoid paying their drivers overtime

Because tired drivers are more likely to get into accidents

14 / 20

Which technique promotes safe braking practices?

All of these

Keeping a more than safe following distance

Braking early to increase stopping distance

Travel at a safe speed

15 / 20

This yellow sign with the swerving car means what?

Watch for volcanic ash

Pavement is slippery when wet

Snowfall up ahead

Falling rocks near wet pavement

16 / 20

When can a driver of a public or commercial passenger vehicle smoke in the vehicle?

Never

When the passenger is smoking in the vehicle

While the vehicle is moving

When there are no passengers in the vehicle

17 / 20

When is it not necessary to do a shoulder check?

When changing lanes

When trying to see how close the car behind you is

When pulling off to the side of the road

When merging onto a highway

18 / 20

What does a "No Standing" sign mean?

You cannot unload your passengers

You cannot stop and leave your vehicle

No loading in the white zone

Do not stand on the road here

19 / 20

What does this square sign with a red circle mean?

Railway crossing ahead

Come to a complete stop

Do not enter this road

Turn your ignition off

20 / 20

What does this yellow warning sign mean?

Zoo ahead

Wildlife reserve ahead

Deer crossing in this area

Fast speeds ahead

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The average score is 89%

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.