Skip to the main content
Guidepost
British Columbia · Air Brake Knowledge Test (code 15)

ICBC air brake knowledge test practice

Practice for the Air Brake Knowledge Test (code 15) set by Insurance Corporation of British Columbia.

Built from the Driving Commercial Vehicles, with the handbook page behind every answer.

British Columbia Air Brake Knowledge Test (code 15) practice, for the Air brake endorsement (code 15)

$9.99one payment, the full test

First 20 questions free, no account. Start now

British ColumbiaQuestion 1 of 20

How long do dynamited brakes on a trailer without spring brakes stay applied?

questions
296
chapters
2
free
20

Try it

Exam mode: 25-question timed papers in the real format.

What you get

Free

No account

  • The first 20 questions
  • The handbook page behind every answer

Full test

$9.99 one payment

  • All 296 questions, five modes
  • Timed practice papers, 25 questions
  • Your score by chapter

British Columbia Air Brake Knowledge Test (code 15) practice, for the Air brake endorsement (code 15)

Every British Columbia test, one payment: $14.99

Knowledge Test, Motorcycle Knowledge Test, Class 1 Knowledge Test, Class 2, 3 and 4 Knowledge Test, Air Brake Knowledge Test (code 15)

British Columbia Air Brake Knowledge Test (code 15) practice, for the Air brake endorsement (code 15). 25 questions, 20 of 25 to pass. Handbook published by ICBC.

296 questions · 2 chapters · Built from the official handbook · Sources checked October 2026.

Chapters

What the handbook covers

  1. Chapter 8: air brakes
  2. Chapter 9: air brake adjustment

The questions follow the chapters of the Driving Commercial Vehicles, published by ICBC.

Handbook edition: MV2677 (032026).

Free questions

Try the free questions

The first 20 questions, free, no account. Each answer shows the handbook page it comes from.

Question 1 of 20
Chapter 8: air brakes

How long do dynamited brakes on a trailer without spring brakes stay applied?

The handbook page appears after you answer

About the test

About the real test

Fee
$15 per attempt
Where you take it
After an ICBC-approved air brake course (at least 7 hours) or with sufficient air brake experience; multiple choice; results are valid for one year
Time allowed
45 minutes
Languages
English only; translators are not permitted
What to bring
Not published
Minimum age
Not published
Parent or guardian consent
Not published
Vision test
Not published
If you do not pass
Retest after 7 days; up to three attempts, then 7 more hours of air brake theory training before trying again
Booking
Not published
Practice from the body
Not published

Before you book

Where you take it: After an ICBC-approved air brake course (at least 7 hours) or with sufficient air brake experience; multiple choice; results are valid for one year.

Questions

Common Questions

Is this the British Columbia Air Brake Knowledge Test (code 15)?

See the notice at the end of this page.

How is the real test laid out?

The layout is shown above, under the test name. The exam mode here follows the same layout.

Where do the questions come from?

From the Driving Commercial Vehicles, published by ICBC. Every question links to the page it was written from. Each question shows the date we last checked its source.

What do I get if I buy?

The British Columbia Air Brake Knowledge Test (code 15) practice, for the Air brake endorsement (code 15): the whole question bank in five modes, and full exam papers in the real format, for $9.99, one payment.

What if I fail the real test?

See the notice at the end of this page.

Do I need an account?

Not for the first 20 questions. After you buy, you sign in with your email address and there is no password. We keep your email address, your province and which questions you got right or wrong, so you can pick up where you left off. Nothing else. You can delete it any time.

Guidepost Testing is practice material written from the official handbook. It is not the government's test and contains no questions from it.

Not affiliated with, endorsed by, or connected to ICBC or any government.

Passing here does not mean you will pass the real test. If you fail your official test within 30 days of buying, send us your test receipt and we refund the purchase.

Each question shows the date we last checked its source.

Quebec is not covered.

Operated by 18191956 CANADA LTD.