New Brunswick Commercial Drivers License Class 4 Practice Test 5

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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 5

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

1 / 20

Where does a large vehicle have blind spots?

At the back of the vehicle

On the passenger side and at the back

At the front of the vehicle

In front, behind, and on both sides

2 / 20

Which technique promotes safe braking practices?

Travel at a safe speed

Braking early to increase stopping distance

Keeping a more than safe following distance

All of these

3 / 20

How do you ease the vehicle into a smooth stop?

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

Slam on the brakes

Pump the brake pedal

Put the vehicle into neutral

4 / 20

What does this yellow warning sign mean?

Deer crossing in this area

Zoo ahead

Wildlife reserve ahead

Fast speeds ahead

5 / 20

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

When the passenger is smoking in the vehicle

While the vehicle is moving

Never

When there are no passengers in the vehicle

6 / 20

What does this yellow sign mean?

Steep grade ahead, gear down before you get there

No speeding for trucks

Trucking gear store

Trucks take the lower lane

7 / 20

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

Honk and hit your brakes quickly to make them slow down

Call the police and report the driver

Slow down so the vehicle behind you will pass you

Gradually increase the space between you and the vehicle behind you

8 / 20

What does a "No Standing" sign mean?

Do not stand on the road here

No loading in the white zone

You cannot unload your passengers

You cannot stop and leave your vehicle

9 / 20

What does this square sign with a red circle mean?

Come to a complete stop

Turn your ignition off

Railway crossing ahead

Do not enter this road

10 / 20

When is it not necessary to do a shoulder check?

When merging onto a highway

When pulling off to the side of the road

When trying to see how close the car behind you is

When changing lanes

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 200 metres away

When it is safe to do so

When the car is 150 metres away

When the other car turns their high beams off

12 / 20

How often should you look at your mirrors?

Only when backing up

About every 10-12 seconds

About every 5 to 8 seconds

Only when their are vehicles behind you

13 / 20

What does this arrow sign mean?

Right turn only

Through traffic only

Two-way traffic ahead

Traffic in one direction only

14 / 20

What does the term "public transportation" mean?

Transportation provided by the public

All of these

Transportation of any group of people

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

15 / 20

What does this yellow sign mean?

Watch out for power lines

Streetcar lines up ahead

Caution, railway tracks cross the road here

Hidden intersection ahead

16 / 20

This yellow sign with the swerving car means what?

Snowfall up ahead

Pavement is slippery when wet

Falling rocks near wet pavement

Watch for volcanic ash

17 / 20

Why do the hours of service regulations exist?

So drivers can spend more time with their families

So carriers can avoid paying their drivers overtime

To keep drive time within the union rules

Because tired drivers are more likely to get into accidents

18 / 20

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

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

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

Ignore the defect and look for serious defects

Notify your boss or supervisor of the defect

19 / 20

What does this sign tell you about commercial vehicles?

Trucks might have their left blinker on for no reason

Watch out for truck dragging logs behind them

The lane is too narrow for trucks to turn

Trailers with overhang might enter your lane when turning right

20 / 20

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

When your shift is almost over

When responding to an emergency or transporting patients

All of these

If you are stuck in traffic

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The average score is 88%

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.