Manitoba 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

Manitoba Class 3 Practice Test 3

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

1 / 20

What does this sign mean?

Dessert restaurant up ahead

Moose crossing in the next kilometer

Watch out for deer ahead

You might encounter moose on the road within the next x Km

2 / 20

Doing this will put unnecessary strain on your vehicles braking system.

Exceeding the vehicles weight limit

Proper maintenance

Driving too slow

Driving the speed limit

3 / 20

Before driving down a grade (hill), you should?

Choose an appropriate gear

Pick up some speed

Check your mirror

Honk your horn

4 / 20

What is a vehicle's danger zone?

20 metres around an entire commercial vehicle when moving

30 metres behind a commercial vehicle

A commercial vehicles blind spots plus 5 metres

The amount of distance required to stop the vehicle

5 / 20

When is a pre-trip inspection required?

Daily

When a light comes on the dashboard

When there is visual damage

Weekly

6 / 20

What is the purpose of the National Safety Code?

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

Determines minimum safety standards for car manufacturers

Determines how many hours a commercial driver can safely drive

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

7 / 20

What gauges should you check after starting your vehicle?

Oil, Voltmeter and Air Brake Gauges

Oil, Voltmeter, Water Temperature and Fuel Gauge

Fuel, Oil and Air Brake Gauges

None of these

8 / 20

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

Beside the supply tank

Beside the air compressor

On each wheels brake

On the vehicle dashboard

9 / 20

What is this sign for?

Reminds drivers that the temperature in Canada is meausured in metric

Reminds drivers that speed limits in Canada are in metric

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

Directions to a TED talk

10 / 20

Don't use the differential lock when __________?

The vehicle is stopped

The wheels are spinning

The wheels are different

Carrying a load

11 / 20

What must you do at a stop sign with a painted stop line?

Perform a rolling stop

Come to a complete stop

Take a sip of your coffee

Look quickly before proceeding

12 / 20

What does this directional sign tell you?

Take this route if you want to use your chains

This is the exit lane for the chain up area

Exit for freight lock up area to lighten your load

Truck parking and truck lock area

13 / 20

The best way to reduce rough and abrupt braking is to?

Ride the brake pedal all the time

Follow other vehicles at a safe distance

Wear a helmet in the cab

Drive on highways only

14 / 20

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

7 hours

3 hours

13 hours

10 hours

15 / 20

What happens to the air valve when you press down the brake?

The air valve opens letting more air into the brakes

The air valve is operated by the gas pedal

The air valve signals the compressor to turn on

The air valve closes, leaving the brake pressure the same

16 / 20

The air system pressure range must be between _________.

413 kPa (60 psi) and 828 kPa (120 psi)

690 kPa (100 psi) and 1380 kPa (200 psi)

483 kPa (70 psi) and 1138 kPa (165 psi)

551 kPa (80 psi) and 1000 kPa (145 psi)

17 / 20

When a school bus is stopped, how far back must you keep your vehicle?

5 metres away

25 metres away

20 metres away

15 metres away

18 / 20

What does this sign mean?

Left turns only on weekends

Road to the left is closed during the posted times

No left turns during the posted times

No U-turns during the time posted

19 / 20

When inspecting an air brake system, the person inspecting should wear?

Sandals and shorts

Steel toe boots, safety glasses, hard hats

Shorts and Crocs

Dust mask, safety glasses

20 / 20

What does this yellow sign mean?

Trucks take the lower lane

No speeding for trucks

Steep grade ahead, gear down before you get there

Trucking gear store

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The average score is 86%

Time to take the real test? Learn more about this step and the others with our Manitoba Class 3 drivers license guide

More Manitoba Commercial Driving Practice Tests

Manitoba Class 1 Practice Tests

Manitoba Class 3 Practice Tests

Manitoba Class 4 Practice Tests

Air Brakes Practice Tests

Manitoba 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.