Description: describes how humans intervene in a control system; Name: mode of operation
Description: characterization of the way and the extent to which the human operator intervenes in the control equipment; Name: operating mode
Description: Speed that characterizes a pumps cavitation performance in terms of its speed, optimum rate of flow per impeller eye at best efficiency point and NPSH3 at best efficiency point for the first stage at maximum impeller diameter ; Name: Suction-specific speed