Nova Scotia 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

Nova Scotia Class 4 Practice Test 5

A 20 question practice test to help prepare you for the Class 4 knowledge test in Nova Scotia

1 / 20

What should you do if your car starts to skid?

Nothing, ABS will take care of it

Shift into neutral and let go of the steering wheel

Slow down and steer where you want to go

Accelerate and steer into the skid

2 / 20

What does this black and white sign mean?

The lane is only for right turns

Yield the lane to oncoming traffic

The lane is only for two-way left turns

Two-way traffic ahead

3 / 20

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

Fix the defect during the next scheduled maintenance

Get the defect fixed eventually

Fix the defect within a week

Fix the defect before the bus can be operated again

4 / 20

What does this yellow warning sign mean?

School bus loading zone, reduce speed

Pedestrian crossing zone

School zone, reduce speed and watch for children

Transit station crossing

5 / 20

What should you never do as a school bus driver?

Fuel the bus with passengers inside

Drive with the front doors open

Break the four second following rule

All of these

6 / 20

What is the wheel base of a vehicle?

The size of the tires on the rear axle

The surface of the road covered by the tires

Distance between the front and rear axle

How much room is needed to turn safely

7 / 20

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

When responding to an emergency or transporting patients

If you are stuck in traffic

All of these

When your shift is almost over

8 / 20

Why do the hours of service regulations exist?

So carriers can avoid paying their drivers overtime

To keep drive time within the union rules

So drivers can spend more time with their families

Because tired drivers are more likely to get into accidents

9 / 20

When performing a turnaround with a school bus, the correct procedure is to

Stop the bus approximately three bus lengths ahead of the road you will be reversing into

Unload passengers just before you begin reversing

Only back onto a highway if there are no vehicles coming in either direction

Wait for traffic to pass around you before reversing safely

10 / 20

How often must the floor of a school bus be sanitized?

Every month

Once a week

Twice a year

Every day

11 / 20

What does this white sign with a "not permitted" cross mean?

Pedestrians only, no cars

Crosswalk up ahead

No pedestrians allowed on this road

Pedestrian crossing

12 / 20

What are your space margins?

Creatures from outer space

The distance between your vehicle and other road users

The space between your vehicle and the vehicle behind you

The distance between your vehicle and the curb

13 / 20

What does this square sign with a red circle mean?

Do not enter this road

Railway crossing ahead

Turn your ignition off

Come to a complete stop

14 / 20

Where does a large vehicle have blind spots?

On the passenger side and at the back

At the front of the vehicle

At the back of the vehicle

In front, behind, and on both sides

15 / 20

What does this warning sign with a truck rolling down a hill mean?

Truck runaway up ahead

Steep hill ahead. You may need to use a lower gear

Trucks roll faster downhill

Truck entrance up ahead

16 / 20

What does this yellow sign mean?

Pavement ends in right lane

Left lane ends up ahead

Pedestrian crossing up ahead

The right lane ends up ahead

17 / 20

How far back should you stay when following an emergency vehicle?

100 metres

150 metres

50 metres

60 metres

18 / 20

What does this yellow sign mean?

Drivers ahead are logging their hours in their ELDs

The next x Km take you through a forest

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

Restroom ahead

19 / 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 it is safe to do so

When the car is 150 metres away

When the car is 200 metres away

When the other car turns their high beams off

20 / 20

What does this sign mean?

No parking if you are waiting to load

The red zone is for loading only

No parking here, this is a loading zone

The white zone is for loading only

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The average score is 93%

More Nova Scotia Commercial Driving Practice Tests

Nova Scotia Class 1 Practice Tests

Nova Scotia Class 3 Practice Tests

Air Brakes Practice Tests

Nova Scotia Class 4 Practice Tests

Nova Scotia 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.