Which is a safety and efficiency requirement that should be met by mobile water supply apparatus?

The correct answer highlights the importance of matching the suspension and steering of mobile water supply apparatus to the terrain requirements. This ensures that the vehicle can navigate effectively and safely in various environments, which is essential for maintaining operational efficiency and safety in emergency situations. When vehicles are specifically designed to handle the unique challenges presented by different terrains—such as rough, uneven ground or steep inclines—they are less likely to encounter mechanical failures, and they can maintain better stability and control while transporting water.

Additionally, vehicles that are equipped with appropriate suspension and steering systems are capable of reducing strain on the apparatus and its operators. This leads to improved maneuverability, which is crucial during urgent responses where quick access to water supply is necessary. By addressing the specific terrain challenges, these vehicles enhance the overall effectiveness of fire response efforts and ensure that water can be delivered where it is needed most reliably and safely.