Which of the following is a safety feature in the school bus braking system?

Answer: D — Both A and B

The inclusion of both disc brakes and an anti-lock braking system (ABS) as safety features in the school bus braking system is significant because each component enhances the overall safety of the vehicle in different ways. Disc brakes are known for their superior heat dissipation and stopping power compared to traditional drum brakes, providing more reliable braking performance. This is especially important in a school bus context, where sudden stops may be necessary for student safety. The ability of disc brakes to perform effectively under various conditions can help prevent brake fade and maintain stopping efficiency. The anti-lock braking system (ABS) plays a crucial role in preventing wheel lock-up during hard braking situations. This technology allows the driver to maintain steering control in adverse conditions, such as slippery roads, where locked wheels can lead to a loss of control. ABS helps in maximizing safety, as it enables the bus to stop more effectively while allowing for maneuverability, which is critical in a scenario where immediate action is required. Together, the combination of disc brakes and an anti-lock braking system provides a robust safety framework that enhances the reliability and effectiveness of the school bus’s braking capabilities, making the option that includes both features the most appropriate choice for addressing safety in the school bus braking system.