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

When going down hills you should?

Shift into a higher gear

Pick up speed

Wear your seatbelt

Shift into a lower gear

2 / 20

What does this yellow diamond sign mean?

Narrow bridge up ahead

Pavement ends

Narrow pavement up ahead

Sharp bend in the road

3 / 20

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

Stop safely and immediately

Slow down but keep driving

Call the police to let them know

Check it at the nearest garage

4 / 20

What does this upside down triangle sign mean?

Railway crossing

Yield the right of way

Slow moving vehicle

Come to a complete stop

5 / 20

Cut in pressure level must never fall below __________.

413 kPa (60 psi)

551 kPa (80 psi)

690 kPa (100 psi)

345 kPa (50 psi)

6 / 20

When inspecting your brakes, you must?

Apply spring brakes

Block the truck with wheel chocks

Drive the vehicle to level ground

All of these

7 / 20

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

20 metres away

25 metres away

15 metres away

5 metres away

8 / 20

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

AB License

A college course

Z-endorsement

Class M License

9 / 20

What does this yellow sign mean?

Watch for pedestrians

Playground area

Business area up ahead

Children crossing

10 / 20

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

Annually

Quarterly

Monthly

Every 2 years

11 / 20

Who can install and repair wheels and tires?

A doctor

A monkey

Anyone

A qualified professional

12 / 20

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

Log cycle

Where you start and end your day

Driver name

All of these

13 / 20

A circle check is?

Testing your brakes while driving in a circle

A visual check for cosmetic damage

Drawing circles to prove you are not tired

A daily check of your vehicles roadworthiness

14 / 20

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

False

True

15 / 20

When can your vehicle be inspected on a highway?

At weight stations

During the day

Never

Anytime

16 / 20

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

More power than necessary

Efficient stopping

Unbalanced weight

Unbalanced braking

17 / 20

What does this sign mean?

No right turns at this intersection

One way street

No left turns at this intersection

No through traffic at this interestion

18 / 20

What is Gross Vehicle Weight Rating?

The weight of the load

Maximum weight of the vehicle, driver, and load combined

Maximum size of the load the truck can carry

Determines which bridges the truck can cross

19 / 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

20 / 20

What does this speed sign mean?

The limit of cars for the bridge

The speed limit changes up ahead

The current speed limit

The truck weight limit

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Your score is

The average score is 83%

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.