Chapter 2-5: Brake inspection

The “Brake Inspection” section of the Ontario truck driver knowledge test is critical for ensuring road safety.

Ontario Truck Driver Test - Chapter 2-5: Brake inspection

1 / 6

While checking **hydraulic brakes with power assist**, what does it indicate if the pedal continues to drop after the engine starts?

The brake fluid is slightly overfilled but safe.

The brake pads are newly installed and bedding in.

The vehicle should be taken out of service and the system inspected professionally.

The power assist is functioning normally.

2 / 6

During a check of **hydraulic brakes without power assist**, what does a steady drop of the brake pedal while you hold it applied indicate?

Only the parking brake needs adjustment.

The brakes are working normally.

The brake lights are malfunctioning.

The vehicle should be taken out of service and the system inspected professionally.

3 / 6

During a check of **hydraulic brakes with power assist**, what should happen to the brake pedal when you start the engine while applying the brakes moderately?

The pedal should rise slightly and then stop.

The pedal should drop slightly and then stop.

The pedal should drop all the way to the floor.

The pedal should not move at all.

4 / 6

What level of brake-system knowledge is expected of drivers?

They only need to know how to replace brake pads.

They do not need any knowledge of the braking system.

They should be able to completely disassemble and repair the braking system.

They should be knowledgeable enough to identify if the brakes are not performing properly.

5 / 6

When inspecting **hydraulic brakes with power assist**, what is the first step in the procedure?

Apply the parking brake and then shut off the engine.

Turn the steering wheel fully left and right to test assist.

With the engine stopped, pump the brake pedal several times to eliminate power assist.

Start the engine and press the brake pedal once firmly.

6 / 6

When inspecting **hydraulic brakes without power assist**, what should you do to test the system?

Apply the brakes moderately and hol

Apply the parking brake only.

Apply the brakes and release them quickly several times.

Pump the brakes rapidly until they become firm.

Your score is

This section assesses a driver’s ability to perform thorough brake checks before operation, including examining air pressure, inspecting brake linings and drums, and checking for leaks or worn components. Drivers must understand how to identify signs of brake failure and know the importance of regular inspections to prevent accidents. The test also covers proper procedures for testing air brakes and emergency systems. Mastering this section demonstrates a commitment to safety and compliance with Ontario’s strict commercial vehicle regulations, ensuring the truck is safe for both the driver and the public.

Test yourself with the Ontario truck licence practice test study questions until you can explain the concepts clearly without looking at the notes.