Which of the following describes the main benefit of a gravity dump system with remotely operated valves?

The main benefit of a gravity dump system with remotely operated valves is improved safety and reduced risk of injury. This system allows operators to control the release of water from a safe distance, minimizing exposure to potential hazards associated with the dumping process. By avoiding the need to physically engage with the equipment while it is in operation, the risk of injury from water pressures, moving parts, or environmental conditions is significantly lowered.

While the other options may have their own benefits in different contexts—such as increased water pressure or higher flow rates—they do not directly relate to the primary advantage of employing a remote operated gravity dump system. The focus here is on the operational safety aspect that allows firefighters to remain at a distance, ensuring they can manage water supply operations effectively without putting themselves in harm's way.