Manitoba Airbrake Practice Exam

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What is the standard color of air lines for service brakes?

Orange
Blue
White
Brown

The correct answer is: Blue

The standard color for air lines associated with service brakes is blue. This color coding system is part of a universal convention adopted to help identify different components and systems in a vehicle's air brake system. By using a standard color for service brake lines, it promotes safety and efficiency, making it easier for operators and maintenance personnel to quickly recognize and troubleshoot the system. The blue color specifically indicates that the line is intended for service brakes, which are primarily responsible for bringing the vehicle to a stop during normal operation. This consistency in color helps prevent confusion and reduces the risk of errors during maintenance, repairs, or inspections. Recognizing these color codes is essential for anyone working within the air brake systems and is a critical aspect of ensuring that braking systems are functioning properly and safely.