Manitoba Airbrake Practice Exam

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What is the significance of the slack adjuster in air brakes?

It ensures proper adjustment of the brake shoes relative to the brake drum

The significance of the slack adjuster in air brakes lies in its crucial role in maintaining the proper adjustment of the brake shoes in relation to the brake drum. This component is essential because it compensates for brake shoe wear over time, ensuring that there is an appropriate amount of clearance between the brake shoes and the drum. When the brake shoes wear down, the slack adjuster automatically adjusts the position, allowing the brakes to function effectively and respond correctly when engaged.

If the slack adjuster were not functioning correctly, it could lead to increased stopping distances, inefficient braking, and potential safety hazards. By keeping the brake shoes in optimal contact with the brake drum, the slack adjuster ensures that the braking system operates at its best, maintaining safety and performance throughout the vehicle's operation.

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It measures the temperature of the braking system

It helps to reduce tire wear

It monitors the speed of the vehicle

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