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

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

2 times as much

3 times as much

6 times as much

10 times as much

2 / 20

When must a carrier check your driving record?

After they hire you and then every year

Before they hire you and then once every year

Before they hire you and after they fire you

Before they hire you and then every two years

3 / 20

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

Month

Week

Quarter

Year

4 / 20

In your daily log, you must record what?

All of these

Your name

Which cycle you are on

The dates

5 / 20

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

Drivers only

Drivers and operators

Drivers and shippers

Drivers, operators, and shippers

6 / 20

Which statement is true of spring brakes?

They are as strong as service brakes

They can be used in lieu of service brakes

They are not as strong as service brakes

They are stronger than service brakes

7 / 20

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

Apply slight pressure to the brakes for a while

Hit your brakes aggressively to heat up the pads

Lower speed and pump the brakes

Stop the vehicle and wipe them down with your towel

8 / 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

9 / 20

The tallest your vehicle can be is?

4.15 m

5.00 m

3.75 m

5.30 m

10 / 20

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

Once on the road

Within 10 metres

At the stop light

Within 25 metres

11 / 20

What does this sign mean?

Avalanche up ahead

Watch out for falling rocks

Watch for loose rock

Erosion to the west

12 / 20

What does this yellow sign mean?

The next x Km take you through a forest

Drivers ahead are logging their hours in their ELDs

Restroom ahead

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

13 / 20

What is an ABS system?

Increases braking power

Reduces stopping distance

Automatically brakes when needed

Prevents wheel lock

14 / 20

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

Red

Yellow

Blue

Black

15 / 20

What does this sign tell you?

Share the road with pedestrians

All of these

Share the road with cyclists

Share the road with other drivers

16 / 20

What does this sign tell you about commercial vehicles?

Watch out for truck dragging logs behind them

Trucks might have their left blinker on for no reason

The lane is too narrow for trucks to turn

Trailers with overhang might enter your lane when turning right

17 / 20

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

In city traffic

At all times

When traveling at high speed

When going downhill

18 / 20

What is the "cut in" level?

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

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

The maximum speed the air brakes can stop at

The safest pressure level you can turn off the truck at

19 / 20

What is this sign telling you?

Tunnel, lower your sunglasses

Tunnel, it's cool

Tunnel, turn on your headlights

Tunnel, turn on headlights and lower sunglasses

20 / 20

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

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

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

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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.