Saskatchewan Commercial Drivers License Class 3 Practice Test 5

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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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Saskatchewan Class 3 Practice Test 5

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

1 / 20

What does this red sign mean?

Come to a complete stop

Stop up ahead

Rolling stop

Stop only if other vehicles approaching

2 / 20

A vehicle should have wheel chocks or blocks securing it in place during inspection if...?

The driver is not within 50 m of the vehicle

The driver leaves the cab under any circumstances

The driver leaves the cab without applying the parking brake

Any of these apply

3 / 20

Tired drivers are often compared to?

Busy drivers

Impaired drivers

Good drivers

Productive drivers

4 / 20

What does this sign tell you?

Parking beside trucks only

Trucks parked on the road up ahead

Police truck supply route

Defines a commercial vehicle parking area

5 / 20

How much stopping distance does a truck need compared to a normal car?

6 times as much

2 times as much

3 times as much

10 times as much

6 / 20

What is the "cut in" level?

The pressure level that triggers the governor to cut off the air compressor

The safest pressure level you can turn off the truck at

The maximum speed the air brakes can stop at

The pressure level that triggers the governor to turn on the air compressor

7 / 20

What is the first thing to look at when inspecting an air brake system?

The air lines

The foundation brake components

The pressure gauge

The air compressor

8 / 20

What does this warning sign mean?

Hazard close to the edge of the road

Right lane ends ahead

Paved surface ends ahead

Do not enter

9 / 20

What is the maximum width a commercial vehicle can be?

2 metres

2.6 metres

4 metres

1.8 metres

10 / 20

What is a normal reaction time for a driver?

1.5 seconds

.75 seconds

2 seconds

1 second

11 / 20

What are the four factors that affect commercial vehicle stopping distance?

How many people in the truck, truck weight, driver awareness, truck speed

Braking conditions, tire traction, truck weight, driving speed

Driving speed, weather conditions, tire pressure, reaction time

Reaction time, truck weight, distance to the vehicle ahead, distance of the vehicle behind you

12 / 20

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

5 metres away

25 metres away

15 metres away

20 metres away

13 / 20

You test a tractor protection valve by removing the service line and?

Driving 150 metres

Switching the gears

Engaging the brake pedal

Starting the truck

14 / 20

What powers the air brakes air compressor system?

The trucks engine

The rotation of the wheels

The battery

Overhead wires

15 / 20

What does this sign mean?

Share the road with cyclists

All of these

Share the road with pedestrians

Share the road with other drivers

16 / 20

How many classes of dangerous goods are there?

17 / 20

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

Call the police to let them know

Slow down but keep driving

Check it at the nearest garage

Stop safely and immediately

18 / 20

How often must you inspect your commercial vehicle?

12 hours

24 hours

14 hours

Every week

19 / 20

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

3 hours

12 hours

10 hours

7 hours

20 / 20

What does this yellow sign with a black arrow mean?

Sharp curve in the road

Exit on the right

Right turn lane

Crosswalk ahead

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The average score is 83%

More Saskatchewan Commercial Driving Practice Tests

Saskatchewan Class 1 Practice Tests

Saskatchewan Class 3 Practice Tests

Air Brakes Practice Tests

Saskatchewan Class 4 Practice Tests

Saskatchewan 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.