Alberta Commercial Drivers License Class 1 Practice Test 1

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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 1 Practice Test 1

A 20 question practice test to help prepare you for the Class 1 knowledge test in Alberta

1 / 20

How long should it take for the air pressure to rise from 587kPa to 690 kPa after the pressure had fallen below 552 kPa?

1 min

5 mins

4 mins

2 mins

2 / 20

What does this sign tell you?

Parking beside trucks only

Police truck supply route

Defines a commercial vehicle parking area

Trucks parked on the road up ahead

3 / 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

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

Total weekly braking time

4 / 20

Which valves are the tractor protection system?

The trailer supply valve and the hand valve

The trailer supply valve and the relay emergency valve

The trailer supply valve and the foot valve

The trailer supply valve and the tractor protection valve

5 / 20

What does this sign mean?

Loading docks are to the right

Truck entrance is to the left

All vehicle enter to the left

Trucking school starts to the left

6 / 20

You should be looking for this when checking your brake chambers?

All of the below

Cracks or other damage

New holes from wear and tear

Mismatched slack adjuster lengths

7 / 20

What gauges should you check after starting your vehicle?

Fuel, Oil and Air Brake Gauges

Oil, Voltmeter, Water Temperature and Fuel Gauge

None of these

Oil, Voltmeter and Air Brake Gauges

8 / 20

What must you do at a stop sign with a painted stop line?

Take a sip of your coffee

Look quickly before proceeding

Come to a complete stop

Perform a rolling stop

9 / 20

When hooking up a tractor to a semi trailer

The wheel chocks must be removed

Adjustments should be made if the connection feels loose during a tug test

The trailer must not be in the docks

The 5th wheel should be in the locked position

10 / 20

What does this sign tell you?

This is the exit for the brake check area

Exit sign for the town Brake Check

This is the exit for a parking area to take a break in

Tells you brake check area is coming up

11 / 20

What is the purpose of the National Safety Code?

Determines how many hours a commercial driver can safely drive

Determines minimum safety standards for car manufacturers

To set out minimum safety standards for commercial vehicles, drivers and carriers operating in Canada

Determines rules for safe operation of many different tasks and vehicles in Canada

12 / 20

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

25 metres away

15 metres away

20 metres away

5 metres away

13 / 20

Before driving down a grade (hill), you should?

Pick up some speed

Honk your horn

Choose an appropriate gear

Check your mirror

14 / 20

Which belt should you check during your pre-trip inspection?

All of these

Power steering belt

Water pump belt

Alternator belt

15 / 20

Over-braking with a trailer can sometimes lead to ______.

Slowing down

Jack-knifing

None of these

Turbulence

16 / 20

When brakes become overheated they also become?

Extra efficient

Dangerously inefficient

Very hot

None of the above

17 / 20

When is a pre-trip inspection required?

When a light comes on the dashboard

Weekly

Daily

When there is visual damage

18 / 20

A commercial vehicle with air brakes engaged must not lose air pressure faster than?

26 kPa/minute

32 kPa/minute

21 kPa/minute

38 kPa/minute

19 / 20

What does this sign mean?

Highway 50 is ahead

The speed limit is 50km/h

Police up ahead

The speed limit changes to 50km/h ahead

20 / 20

The supply line is also called?

The secondary line

The emergency line

The control line

The primary line

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The average score is 81%

Aced the test? Learn how to finish earning your Class 1 license in Alberta

More Alberta Commercial Driving Practice Tests

Alberta Class 1 Practice Tests

Alberta Class 3 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.