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

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

150 metres

50 metres

60 metres

100 metres

2 / 20

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

Unload passengers just before you begin reversing

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

Wait for traffic to pass around you before reversing safely

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

3 / 20

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

Truck entrance up ahead

Truck runaway up ahead

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

Trucks roll faster downhill

4 / 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

5 / 20

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

Crosswalk up ahead

Pedestrians only, no cars

Pedestrian crossing

No pedestrians allowed on this road

6 / 20

What does this square sign with a red circle mean?

Railway crossing ahead

Do not enter this road

Turn your ignition off

Come to a complete stop

7 / 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 the other car turns their high beams off

When it is safe to do so

When the car is 150 metres away

8 / 20

What does this sign mean?

No parking if you are waiting to load

The white zone is for loading only

No parking here, this is a loading zone

The red zone is for loading only

9 / 20

What does this black and white sign mean?

The lane is only for two-way left turns

The lane is only for right turns

Two-way traffic ahead

Yield the lane to oncoming traffic

10 / 20

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

When responding to an emergency or transporting patients

When your shift is almost over

If you are stuck in traffic

All of these

11 / 20

What are your space margins?

The space between your vehicle and the vehicle behind you

The distance between your vehicle and other road users

The distance between your vehicle and the curb

Creatures from outer space

12 / 20

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

Once a week

Twice a year

Every day

Every month

13 / 20

What does this yellow sign mean?

Pavement ends in right lane

The right lane ends up ahead

Left lane ends up ahead

Pedestrian crossing up ahead

14 / 20

What does this yellow sign mean?

Restroom ahead

The next x Km take you through a forest

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

Drivers ahead are logging their hours in their ELDs

15 / 20

Why do the hours of service regulations exist?

So carriers can avoid paying their drivers overtime

So drivers can spend more time with their families

To keep drive time within the union rules

Because tired drivers are more likely to get into accidents

16 / 20

What does this yellow warning sign mean?

School bus loading zone, reduce speed

School zone, reduce speed and watch for children

Pedestrian crossing zone

Transit station crossing

17 / 20

What should you never do as a school bus driver?

Fuel the bus with passengers inside

Break the four second following rule

All of these

Drive with the front doors open

18 / 20

What is the wheel base of a vehicle?

How much room is needed to turn safely

The surface of the road covered by the tires

The size of the tires on the rear axle

Distance between the front and rear axle

19 / 20

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

Fix the defect before the bus can be operated again

Fix the defect within a week

Get the defect fixed eventually

Fix the defect during the next scheduled maintenance

20 / 20

What should you do if your car starts to skid?

Accelerate and steer into the 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

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The average score is 94%

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.