Nova Scotia Commercial Drivers License Class 3 Practice Test 3

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

Nova Scotia Class 3 Practice Test 3

A 20 question practice test to help prepare you for the Class 3 knowledge test in Nova Scotia

1 / 20

Cut in pressure level must never fall below __________.

551 kPa (80 psi)

413 kPa (60 psi)

690 kPa (100 psi)

345 kPa (50 psi)

2 / 20

What does this upside down triangle sign mean?

Railway crossing

Slow moving vehicle

Come to a complete stop

Yield the right of way

3 / 20

What does this yellow sign mean?

Trucking gear store

Trucks take the lower lane

Steep grade ahead, gear down before you get there

No speeding for trucks

4 / 20

What is this sign for?

Directions to a TED talk

Reminds drivers that the temperature in Canada is meausured in metric

Means actual speeed limit in a 50km/h zone is 80km/h

Reminds drivers that speed limits in Canada are in metric

5 / 20

A broken yellow line on the pavement to the left of you means what?

Trucks stay right

Two way street

Do not pass

You may pass when clear

6 / 20

How many off-duty hours must a commercial driver have in a day?

12 hours

3 hours

10 hours

7 hours

7 / 20

Class D license holders under age 80 must pass a knowledge and vision test every?

5 Years

Year

Never

3 Years

8 / 20

Where is the air pressure gauge for the air brake system?

Beside the supply tank

On the vehicle dashboard

Beside the air compressor

On each wheels brake

9 / 20

When must a carrier check your driving record?

Before they hire you and after they fire you

Before they hire you and then every two years

After they hire you and then every year

Before they hire you and then once every year

10 / 20

What is the purpose of the National Safety Code?

To set out minimum safety standards for commercial vehicles, drivers and carriers operating in Canada

Determines how many hours a commercial driver can safely drive

Determines minimum safety standards for car manufacturers

Determines rules for safe operation of many different tasks and vehicles in Canada

11 / 20

What is the wheel base of a vehicle?

Distance between the front and rear axle

How much room is needed to turn safely

The size of the tires on the rear axle

The surface of the road covered by the tires

12 / 20

What is the best way to inspect an air compressor?

With the engine on in first gear

With the engine off

With the engine on and in high gear

With the engine on in neutral

13 / 20

Which statement is true of spring brakes?

They are as strong as service brakes

They are not as strong as service brakes

They are stronger than service brakes

They can be used in lieu of service brakes

14 / 20

What does this yellow warning sign mean?

Recycling center up ahead

Do a burnout here to impress the cops

Indicates a roundabout is up ahead

Speed up area ahead

15 / 20

To measure the time it takes to build up pressure in the air system, the engine should be idling between _______________.

600 to 900 RPM

200 to 500 RPM

800 to 1000 RPM

1000 to 2000 RPM

16 / 20

What don’t a vehicle’s back wheels usually do?

Tricks

Spin

Rotate

Pivot

17 / 20

What is Gross Vehicle Weight Rating?

Maximum size of the load the truck can carry

The weight of the load

Determines which bridges the truck can cross

Maximum weight of the vehicle, driver, and load combined

18 / 20

When is an engine retarder most efficient?

High RPMs and high speeds

Lower RPM and higher speeds

Lower RPMs and lower speeds

High RPMs and lower speeds

19 / 20

What does this rectangle sign mean?

Do not turn right

No right turns on a red light

No stopping if turning right

Only right turns allows

20 / 20

Test the low pressure alarm with the air pressure above __________.

413 kPa (60 psi)

551 kPa (80 psi)

827 kPa (120 psi)

620 kPa (90 psi)

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Your score is

The average score is 79%

Ready to finish earning your license? Walk through your final steps with our guide to obtaining your Class 3 license in Nova Scotia

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.