Alberta Commercial Drivers License Class 1 Practice Test 4

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Alberta Class 1 Practice Test 4

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

1 / 20

What is an important part of connecting a trailer to a tractor?

Unlocking the 5th wheel before driving

Connecting the trailer in a straight line

Physically checking the connection

Precision when backing up to the trailer

2 / 20

If your speed increases too much while going down a hill, what should you do?

Lightly apply the brakes to lower your speed about 10-15km/h under your safe speed and lower your main gear

Shift to a higher gear immediately and apply firm pressure to the brake pedal until you slow down

Increase your speed even more, switch to a higher gear and lightly apply the brakes

Lightly press the brake pedal until the vehicle slows down to a safe speed

3 / 20

Which colour represent the trailer supply line?

Yellow

White

Blue

Red

4 / 20

What does this yellow sign mean?

Business area up ahead

Playground area

Children crossing

Watch for pedestrians

5 / 20

When must a carrier check your driving record?

After they hire you and then every year

Before they hire you and then every two years

Before they hire you and after they fire you

Before they hire you and then once every year

6 / 20

The tallest your vehicle can be is?

5.30 m

5.00 m

3.75 m

4.15 m

7 / 20

When brakes become overheated they also become?

None of the above

Dangerously inefficient

Extra efficient

Very hot

8 / 20

What should a trailer hand valve be used for?

Lowering the trailers landing gear

To link a trailer that is not equipped with spring brakes

Stopping the trailer at stop lights

Applying the spring brakes

9 / 20

What is the best way to dry out your brakes after driving through water?

Stop the vehicle and wipe them down with your towel

Hit your brakes aggressively to heat up the pads

Lower speed and pump the brakes

Apply slight pressure to the brakes for a while

10 / 20

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

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

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

Driving speed, weather conditions, tire pressure, reaction time

Braking conditions, tire traction, truck weight, driving speed

11 / 20

Which party is responsible for ensuring correct and compliant weight of a shipment?

Drivers only

Drivers and shippers

Drivers, operators, and shippers

Drivers and operators

12 / 20

What does this yellow diamond sign mean?

Divided highway ends

Divided highway begins

Road construction ahead

Narrow bridge ahead

13 / 20

What is the most common cause of air loss in a trailer?

Leaky tractor protection valve

Defective governor

Leaky supply tank

Leaky glad hand seals

14 / 20

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

2 times as much

3 times as much

10 times as much

6 times as much

15 / 20

What does this sign tell you about the road ahead?

Bumps on the pavement ahead

River ahead

Bridge ahead

Construction zone ahead

16 / 20

What does this sign mean?

No right turns at this intersection

One way street

No through traffic at this interestion

No left turns at this intersection

17 / 20

As a driver you are expected to practice _________?

Proper hygiene

Common sense

Safe driving practices

On-time deliveries

18 / 20

Why are their two service tanks?

For fuel economy

For safety

Incase you need more stopping power

For efficiency

19 / 20

When uncoupling from a trailer, at what point do you put the landing gear down?

After disconnecting the electrical and air lines

Before unlocking the 5th wheel

After unlocking the 5th wheel

Never this isn't a plane

20 / 20

What is not a factor in how well your air brake system works?

Weight of the vehicle

Weight of the driver

Brake adjustments

Driving speed

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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.