Alberta Commercial Drivers License Class 3 Practice Test 3

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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

Alberta Class 3 Practice Test 3

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

1 / 20

What kind of response should you expect from ABS braking systems?

Brake noise, pedal movement, and shudder

Pedal movement, skidding

Brake noise and smoke

Skidding, brake noise, pedal movement, shudder

2 / 20

What does a driver need to transport dangerous goods?

Training

A log book

Dangerous goods

A letter

3 / 20

What does this yellow sign mean?

Steep grade ahead, gear down before you get there

No speeding for trucks

Trucks take the lower lane

Trucking gear store

4 / 20

When can your vehicle be inspected on a highway?

Anytime

Never

At weight stations

During the day

5 / 20

Who is allowed to refuel a propane hauling truck?

Only those certified to do so

Anyone wearing gloves and PPE

Anyone over the age of 18

Drivers of a Class 1 vehicle only

6 / 20

What does this sign mean?

No left turns during the posted times

Road to the left is closed during the posted times

Left turns only on weekends

No U-turns during the time posted

7 / 20

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

The second air tank

The supply tank

The last air tank

The first air tank

8 / 20

At vehicle inspection stations, axles are inspected for?

Condition

All of these

Brand

Spacing

9 / 20

Cut out pressure level must never exceed __________.

690 kPa (100 psi)

1000 kPa (145 psi)

862 kPa (125 psi)

1138 kPa (165 psi)

10 / 20

What does this directional sign tell you?

Truck parking and truck lock area

Exit for freight lock up area to lighten your load

Take this route if you want to use your chains

This is the exit lane for the chain up area

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)

380 kPa (55 psi)

413 kPa (60 psi)

242 kPs (35 psi)

12 / 20

How many previous days must a drivers log keep track of?

Thirty

Twenty one

Seven

Fourteen

13 / 20

Which of these vehicle driver’s are exempt from the Hours of Service Regulations?

All of the above

Tow vehicles

RV’s or Motor Homes

Mobile cranes

14 / 20

What is the correct use of an ABS system during a braking emergency?

Pump the brake pedal until the vehicle stops.

Pump the brake pedal until slowed then hold the pedal

Press the pedal firmly and hold until the vehicle stops

Press the pedal 3 times until the ABS is activated

15 / 20

The pushrod stroke occurs when compressed air enters the?

Air compressor

Supply tank

Brake chamber

Engine block

16 / 20

What does this sign mean?

Dessert restaurant up ahead

Watch out for deer ahead

Moose crossing in the next kilometer

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

17 / 20

The spring brake is designed for which situation?

Parking and emergencies

Loading skids into the trailer

Skids and emergencies

Skids and parking

18 / 20

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

414 kPa (60 psi)

690 kPa (100 psi)

514 kPa (74 psi)

242 kPa (35 psi)

19 / 20

When is an engine retarder most efficient?

High RPMs and high speeds

Lower RPMs and lower speeds

High RPMs and lower speeds

Lower RPM and higher speeds

20 / 20

What is this sign for?

Reminds drivers that the temperature in Canada is meausured in metric

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

Reminds drivers that speed limits in Canada are in metric

Directions to a TED talk

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The average score is 80%

Ready to finish earning your license? Walk through your final steps with our guide to obtaining your Class 3 license in Alberta

More Alberta Commercial Driving Practice Tests

Alberta Class 3 Practice Tests

Alberta Class 1 Practice Tests

Alberta Class 4 Practice Tests

Air Brakes Practice Tests

Alberta 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.