What might be a consequence of neglecting proper maintenance of the air brake system?

Answer: B — Increased risk of brake failure

Neglecting proper maintenance of the air brake system significantly increases the risk of brake failure. The air brake system is crucial for the safe operation of heavy vehicles, and regular maintenance ensures all components are functioning efficiently. Without maintenance, issues such as air leaks, worn-out brake shoes, or contaminated brake fluid can develop, compromising the braking system's performance. A failing brake system can lead to longer stopping distances, reduced braking force, and ultimately, a dangerous situation that can result in accidents. Proper maintenance helps identify and resolve issues before they escalate into a failure, ensuring that the air brakes operate reliably under all conditions. Therefore, the acknowledgment of increased risk of brake failure highlights the importance of regular inspections and servicing of the air brake system to maintain safety on the road.