Manitoba Commercial Drivers License Class 3 Practice Test 2

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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

Manitoba Class 3 Practice Test 2

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

1 / 20

The spring brake is designed for which situation?

Parking and emergencies

Skids and emergencies

Skids and parking

Loading skids into the trailer

2 / 20

What is brake lag time?

The time between pressing the pedal and the brakes engaging

The time it takes to recognize the hazard and press the brake pedal

Total weekly braking time

The time between pressing the pedal and coming to a complete stop

3 / 20

What is Gross Vehicle Weight Rating?

Maximum weight of the vehicle, driver, and load combined

Maximum size of the load the truck can carry

The weight of the load

Determines which bridges the truck can cross

4 / 20

When backing up to unload a dump truck, what should you do?

Rely on the hand signals of the guide

Back the vehicle up quickly, there are other trucks waiting

Make sure the guide is directly behind you

Make sure the backing alarm is on

5 / 20

What is a vehicle's danger zone?

20 metres around an entire commercial vehicle when moving

The amount of distance required to stop the vehicle

A commercial vehicles blind spots plus 5 metres

30 metres behind a commercial vehicle

6 / 20

Cut out pressure level must never exceed __________.

862 kPa (125 psi)

1138 kPa (165 psi)

690 kPa (100 psi)

1000 kPa (145 psi)

7 / 20

What is the first step of the pre-trip?

Chock the wheels

Start the engine

Open the hood

Release the brakes

8 / 20

What does this sign mean?

Area reserved for picking up and dropping off passengers with disabilities

Area reserved for loading and unloading

Area parking for all vehicles except accessibility permit holders

Area reserved for vehicles parking with a valid permit

9 / 20

What emergency items are required in a commercial vehicle?

Gloves, first aid kit and fire extinguisher

Flares, first aid kit fire extinguisher, and flashlight

Traffic cones, first aid kit and fire extinguisher

Flags, first aid kit and flashlight

10 / 20

What does this sign mean?

The speed limit changes to 50km/h ahead

The speed limit is 50km/h

Police up ahead

Highway 50 is ahead

11 / 20

The low air pressure warning device needs to be replaced or adjusted if it does not trigger at a minimum level of?

551 kPa (80 psi)

242 kPs (35 psi)

380 kPa (55 psi)

413 kPa (60 psi)

12 / 20

Trailer air brake systems must apply a spring brake when the pressure drops below?

242 kPa (35 psi)

514 kPa (74 psi)

414 kPa (60 psi)

690 kPa (100 psi)

13 / 20

What does this yellow diamond sign mean?

Keep to the right side of the road

Sharp turn or bend in the road in the direction of the arrow

Taxi lanes to the right

Road ends in the direction of the arrow

14 / 20

When should you be ready to stop for a school bus?

During the day

In residential areas only

School hours

Anytime

15 / 20

Which tank should be drained first when draining the air tanks on an air brake system?

The supply tank

The second air tank

The last air tank

The first air tank

16 / 20

The pushrod stroke occurs when compressed air enters the?

Brake chamber

Supply tank

Air compressor

Engine block

17 / 20

What does this sign mean?

Two lane road is ending soon

No passing on this road

No carpooling in this lane

Road is not wide enough for two cars

18 / 20

What does this white sign mean?

The white lane is for loading and unloading only

All buses must be followed by 2 cars in this lane

This lane is for public or passenger vehicles with more than two occupants

Only buses and Uber or Lyft drivers in this lane

19 / 20

Once you've started driving, when should you check your brakes?

Within 25 metres

Once on the road

At the stop light

Within 10 metres

20 / 20

Driving a commercial vehicle on the road is?

A right

A freedom

Hard

A privilege

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Your score is

The average score is 77%

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.