BC Commercial Drivers License Class 1 Practice Test 5

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 1 Practice Test 5

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

1 / 20

Which of these are indicators that you may have difficulty with the clearance under your vehicle?

Flooding

All of the below

Ice

Road condition

2 / 20

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

All of the below

Mismatched slack adjuster lengths

Cracks or other damage

New holes from wear and tear

3 / 20

What is a vehicle's danger zone?

20 metres around an entire commercial vehicle when moving

A commercial vehicles blind spots plus 5 metres

The amount of distance required to stop the vehicle

30 metres behind a commercial vehicle

4 / 20

What don’t a vehicle’s back wheels usually do?

Rotate

Spin

Tricks

Pivot

5 / 20

What does this sign tell you?

Parking beside trucks only

Trucks parked on the road up ahead

Defines a commercial vehicle parking area

Police truck supply route

6 / 20

What does a trailers hand valve do?

Applies the trailers service brakes independently of the truck

Sends power to the left and right turn signals

Engages the spring brakes when the lever is pulled

Pumps up the trailers landing gear

7 / 20

When curving left, what should you do to ensure the back wheels stay in your lane?

Take up both lanes to ensure safety for everyone on the road

Keep your front wheels as close to the right side of your lane

Keep your front wheels inside the lane to the right of you

Keep your wheels close to the centre line

8 / 20

If you see an open truck inspection station which driving your truck, you must?

Only stop if you have not been inspected recently

Wait for an inspector to direct you into the station

Stop at the inspection stations for an inspection

Decide whether or not you want to stop

9 / 20

The supply line is also called?

The primary line

The control line

The secondary line

The emergency line

10 / 20

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

RV’s or Motor Homes

Tow vehicles

Mobile cranes

All of the above

11 / 20

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

38 kPa/minute

26 kPa/minute

21 kPa/minute

32 kPa/minute

12 / 20

What does this sign mean?

Truck entrance is to the left

Trucking school starts to the left

Loading docks are to the right

All vehicle enter to the left

13 / 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?

2 mins

4 mins

5 mins

1 min

14 / 20

How do you fix a leaky glad hand?

Lower pressure in the sytem

Swap the service and supply lines

Inspect the seal for dirt and grit and replace if necessary

Tape the seal with duct tape

15 / 20

What does this yellow diamond sign mean?

Road ends in the direction of the arrow

Keep to the right side of the road

Sharp turn or bend in the road in the direction of the arrow

Taxi lanes to the right

16 / 20

What does this sign mean?

Two lane road is ending soon

Road is not wide enough for two cars

No passing on this road

No carpooling in this lane

17 / 20

Drivers must operate in a cycle. What are the two cycles available to drivers?

A Seven or twenty one day cycle

A five or ten day cycle

A seven or fourteen day cycle

A fourteen or twenty-one day cycle

18 / 20

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

Jack-knifing

Slowing down

Turbulence

None of these

19 / 20

What is the wheel base of a vehicle?

Distance between the front and rear axle

The surface of the road covered by the tires

The size of the tires on the rear axle

How much room is needed to turn safely

20 / 20

How much air loss is allowed for a tractor and a trailer when the brakes are engaged?

26 kPa/minute

32 kPa/minute

28 kPa/minute

34 kPa/minute

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The average score is 80%

Did you pass the test? Find out what your next steps are with our BC Class 1 license guide

More British Columbia Commercial Driving Practice Tests

BC Class 1 Practice Tests

Air Brakes Practice Tests

BC Class 3 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.