Which item is listed as an accessory?

• A. Intake structures
• B. Pumps
• C. Motors
• D. Valves

Answer: (A)

The item listed as an accessory is intake structures. In irrigation design, accessories are items that support or interface with the system rather than performing its core functions. Intake structures sit at the water source and provide access to water, sometimes including debris screens or other protection, but they aren’t part of moving water through the distribution network. Pumps and motors move water, and valves control flow within the lines; those are essential components of the irrigation system itself. So intake structures are categorized as accessories because they support the water supply rather than execute irrigation tasks.