Manitoba Airbrake Practice Exam

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What is a significant risk associated with excessive moisture in the air brake system?

  1. Increased air pressure

  2. Improved brake efficiency

  3. Rust and freezing in the components

  4. Reduced weight of the braking system

The correct answer is: Rust and freezing in the components

Excessive moisture in the air brake system can lead to significant issues, particularly the formation of rust and the potential for freezing within the components. Moisture can accumulate in the air lines and reservoirs, leading to corrosion of metal components, which can compromise the integrity and functionality of the braking system. Additionally, when water freezes in cold temperatures, it can block air passageways and create an inability to apply or release the brakes effectively, resulting in hazardous driving conditions. This understanding highlights the importance of maintaining dry air within an air brake system to ensure reliable performance and safety on the road.

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