What is the function of a flow chart in a water treatment plant?

The function of a flow chart in a water treatment plant is to visualize the sequence of processes and controls. Flow charts serve as an essential tool to represent the various stages involved in water treatment in a clear and organized manner. They illustrate the flow of operations, showing how water moves through different treatment processes such as coagulation, sedimentation, filtration, and disinfection.

By providing a visual representation of the entire treatment process, flow charts help operators and staff better understand how each stage interconnects, which is vital for efficient operation and troubleshooting within the plant. Additionally, flow charts can highlight critical control points in the treatment process, allowing for effective monitoring and management of water quality.

While other functions like displaying employee schedules, calculating water usage, or logging maintenance activities are relevant to the overall management of a water treatment facility, they do not pertain to the primary role of flow charts in illustrating operational processes. Thus, the best answer is the one that captures the essence of process visualization in water treatment.