What increases the risk of heat buildup in aircraft tires?

The choice indicating that long taxi distances increases the risk of heat buildup in aircraft tires is accurate because prolonged contact with the ground generates friction, which in turn raises the temperature of the tires. During taxiing, especially over extended distances, tires rotate at relatively high speeds and are subject to increased loads. This continual movement coupled with friction creates a significant amount of heat. The longer the taxi distance, the greater the accumulation of heat, which can lead to a variety of issues, such as reduced tire durability, increased likelihood of tire failure, and elevated risks associated with tire blowouts.

Additional considerations for other aspects include that while frequently using deboosters, maintaining high tire pressure, and having low weight on the tires can influence tire performance, they do not directly relate to the extent of heat buildup as significantly as the duration of taxi. For instance, high tire pressure can help reduce the heat generated by rolling resistance, while lower weight can minimize the load and thus the heat generated, but long taxi distances consistently exacerbate the heat issue by extending the operational time of the tires under stress.