What is a manifold in the context of irrigation systems?

• A. A pipe used for measuring pressure
• B. A grouping of irrigation valves
• C. A type of sensor
• D. A water flow monitoring device

Answer: (B)

In the context of irrigation systems, a manifold is referred to as a grouping of irrigation valves. Manifolds serve as a central distribution point within an irrigation system, enabling the control and distribution of water to multiple zones or areas of a landscape. By organizing several valves together, the manifold allows for efficient management of different irrigation zones, facilitating the operation of each zone independently.

This setup is particularly beneficial because it simplifies the irrigation layout, reduces the number of connections needed, and can make maintenance more straightforward. By allowing several valves to be housed in one location, a manifold also helps to minimize pressure loss across the system and enables easier access for adjustments or repairs.

In contrast, other choices such as a pipe used for measuring pressure, a type of sensor, or a water flow monitoring device do not encapsulate the specific function of a manifold, which is focused on managing and distributing the flow of water to various areas through the use of valves.