BC Commercial Drivers License Class 3 Practice Test 4

Commercial Driver HQ is a website focused on helping new commercial drivers in all provinces and territories in Canada.

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

BC Class 3 Practice Test 4

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

1 / 20

What does this sign mean?

Watch for loose rock

Avalanche up ahead

Erosion to the west

Watch out for falling rocks

2 / 20

What does this sign tell you?

All of these

Share the road with cyclists

Share the road with other drivers

Share the road with pedestrians

3 / 20

When must a carrier check your driving record?

Before they hire you and after they fire you

Before they hire you and then every two years

Before they hire you and then once every year

After they hire you and then every year

4 / 20

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

At the stop light

Within 10 metres

Within 25 metres

Once on the road

5 / 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

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

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

6 / 20

The tallest your vehicle can be is?

5.00 m

4.15 m

3.75 m

5.30 m

7 / 20

Which statement is true of spring brakes?

They are as strong as service brakes

They are stronger than service brakes

They are not as strong as service brakes

They can be used in lieu of service brakes

8 / 20

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

Apply slight pressure to the brakes for a while

Stop the vehicle and wipe them down with your towel

Lower speed and pump the brakes

Hit your brakes aggressively to heat up the pads

9 / 20

In your daily log, you must record what?

All of these

Your name

Which cycle you are on

The dates

10 / 20

Which colour usually means the air line is a service line?

Blue

Red

Black

Yellow

11 / 20

What does this sign tell you about commercial vehicles?

Watch out for truck dragging logs behind them

Trailers with overhang might enter your lane when turning right

Trucks might have their left blinker on for no reason

The lane is too narrow for trucks to turn

12 / 20

The full capacity of the air brake system must be available when?

In city traffic

At all times

When going downhill

When traveling at high speed

13 / 20

Owners must have a licensed motor-vehicle inspector inspect each vehicle and trailer every?

Year

Month

Quarter

Week

14 / 20

What does this yellow sign mean?

Drivers ahead are logging their hours in their ELDs

The next x Km are a logging road, beware of logging trucks

Restroom ahead

The next x Km take you through a forest

15 / 20

What is an ABS system?

Reduces stopping distance

Prevents wheel lock

Automatically brakes when needed

Increases braking power

16 / 20

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

Drivers and shippers

Drivers and operators

Drivers only

Drivers, operators, and shippers

17 / 20

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

Driving speed

Weight of the vehicle

Brake adjustments

Weight of the driver

18 / 20

What is the "cut in" level?

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

19 / 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

20 / 20

What is this sign telling you?

Tunnel, turn on your headlights

Tunnel, lower your sunglasses

Tunnel, turn on headlights and lower sunglasses

Tunnel, it's cool

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The average score is 83%

Ready to take the real knowledge test? Find out more about completing your Class 3 drivers license in BC

More British Columbia Commercial Driving Practice Tests

BC Class 3 Practice Tests

Air Brakes Practice Tests

BC Class 1 Practice Tests

BC Class 4 Practice Tests

BC 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.