What is the main purpose of fire sprinkler systems?

The primary function of fire sprinkler systems is to automatically deliver water to a fire when it is detected. These systems are designed to respond quickly to heat generated by flames, thereby suppressing the fire at its onset and preventing it from spreading. By releasing water directly onto the source of the fire, they can significantly reduce the heat and flames, providing valuable time for occupants to evacuate safely and for firefighters to respond effectively.

While other options mention related aspects of fire safety, such as smoke detection, illumination, and minimizing exposure, they do not capture the essential role of fire sprinkler systems. It is important to understand that the automatic water delivery feature is what differentiates sprinklers from other safety measures, making them a critical component in fire protection strategies within buildings.