In a jet pump, the venturi should be at least 18 inches from the suction tube. Is this statement true or false?

The statement regarding the placement of the venturi in a jet pump system is false. In jet pump systems, the venturi plays a critical role in creating a vacuum that draws water through the suction tube. However, the distance between the venturi and the suction tube is not a standardized measurement of at least 18 inches. Instead, factors such as the specific design of the jet pump, the system's size, the diameter of the piping, and the overall configuration of the installation dictate the appropriate distance.

In practical applications, the venturi should be positioned optimally based on manufacturer's specifications and installation guidelines to ensure efficient operation and proper hydraulic performance. Each system might have different requirements, which further supports the idea that there is no universal distance requirement for this arrangement. Therefore, the statement lacks accuracy regarding jet pump design principles.