Georgia Residential Contractor Practice Exam

A submersible pump is specifically designed to operate while submerged underwater. This characteristic allows it to be used in applications such as draining water from wells, sewage, and other fluids where the pump is placed below the liquid surface. The design typically includes a hermetically sealed motor that prevents water from entering and damaging the pump components. This makes the submersible pump efficient in moving fluids from deeper sources to the surface without the need for additional priming, as the pump is already immersed in the fluid it is meant to transport. The other options do not accurately describe the necessary characteristics of a submersible pump. Being above ground contradicts the essential feature of being submerged, while approval requirements for installations can vary based on local regulations. The notion that it is only for clean water is also misleading, as submersible pumps can be utilized for both clean and contaminated fluids in various applications, including wastewater management.