Alberta Class 4 Practice Questions - Alberta Class 4 Commercial Driver's Licence Knowledge Test Exam

What physical process causes brake fade, and what are the warning signs a driver should watch for?

Cold temperatures freezing the brake lines; warning sign is a hard brake pedal Extreme heat causing changes in the friction materials, reducing braking power; warning signs include a spongy pedal, smoking wheels, and a burning smell The brake fluid boiling in the lines; warning sign is the steering wheel shaking Worn steering linkages; warning sign is the vehicle pulling to one side

Correct Answer:

Extreme heat causing changes in the friction materials, reducing braking power; warning signs include a spongy pedal, smoking wheels, and a burning smell

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