Manitoba Airbrake Practice Exam 2025 - Free Airbrake Practice Questions and Study Guide

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What is the purpose of the low air pressure warning system?

To improve brake efficiency

To alert the driver when air pressure drops to unsafe levels

The low air pressure warning system is crucial for ensuring the safety of the vehicle and its occupants. Its primary function is to alert the driver when the air pressure in the braking system drops to unsafe levels. This is especially important because the air brake system relies on compressed air to operate effectively. If the pressure falls too low, the brakes may not function properly, which can lead to a failure to stop or decrease stopping ability, posing significant risks on the road.

Maintaining appropriate air pressure is essential for the reliable operation of brakes. The warning system typically comprises visual and audible alerts, allowing the driver to take immediate action, such as slowing down or pulling over to address the issue. Recognizing and responding to these warnings can prevent accidents and enhance overall safety while driving a vehicle equipped with air brakes.

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To indicate when the brakes need adjusting

To signal that the vehicle is ready to move

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