Manitoba Commercial Drivers License Class 3 Practice Test 1

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 1

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

1 / 20

What does this speed sign mean?

The limit of cars for the bridge

The current speed limit

The speed limit changes up ahead

The truck weight limit

2 / 20

When inspecting your brakes, you must?

Block the truck with wheel chocks

Apply spring brakes

All of these

Drive the vehicle to level ground

3 / 20

What does a governor do in an air brake system?

Limits the speed by using automatic braking

Regulates the air pressure

Tells the other brakes what do to

Regulates the tire pressure

4 / 20

If brake chambers on opposite side of an axle are different sizes, this may cause?

More power than necessary

Unbalanced braking

Unbalanced weight

Efficient stopping

5 / 20

Cut in pressure level must never fall below __________.

345 kPa (50 psi)

690 kPa (100 psi)

413 kPa (60 psi)

551 kPa (80 psi)

6 / 20

When can your vehicle be inspected on a highway?

Never

At weight stations

During the day

Anytime

7 / 20

Which piece of information needs to appear on your drivers log?

Where you start and end your day

Driver name

Log cycle

All of these

8 / 20

What does this upside down triangle sign mean?

Railway crossing

Yield the right of way

Come to a complete stop

Slow moving vehicle

9 / 20

What does this yellow diamond sign mean?

Narrow bridge up ahead

Sharp bend in the road

Pavement ends

Narrow pavement up ahead

10 / 20

What does this sign mean?

One way street

No right turns at this intersection

No through traffic at this interestion

No left turns at this intersection

11 / 20

What type of training do you need to operate air brakes?

Class M License

AB License

A college course

Z-endorsement

12 / 20

Who can install and repair wheels and tires?

A qualified professional

A doctor

A monkey

Anyone

13 / 20

When going down hills you should?

Pick up speed

Shift into a lower gear

Shift into a higher gear

Wear your seatbelt

14 / 20

What should you do when the air brakes low pressure warning comes on?

Stop safely and immediately

Call the police to let them know

Slow down but keep driving

Check it at the nearest garage

15 / 20

The supply tank should discharge more moisture than any other tank?

True

False

16 / 20

When you turn 65, you now need to submit a medical report how often?

Annually

Monthly

Every 2 years

Quarterly

17 / 20

What does this yellow sign mean?

Children crossing

Watch for pedestrians

Playground area

Business area up ahead

18 / 20

A circle check is?

Testing your brakes while driving in a circle

Drawing circles to prove you are not tired

A visual check for cosmetic damage

A daily check of your vehicles roadworthiness

19 / 20

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

25 metres away

15 metres away

5 metres away

20 metres away

20 / 20

What is Gross Vehicle Weight Rating?

Maximum size of the load the truck can carry

Determines which bridges the truck can cross

The weight of the load

Maximum weight of the vehicle, driver, and load combined

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Your score is

The average score is 84%

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.