Description: Representation of the pump head height as a function of the flow rate; Name: Plant (NPSH) characteristic curve
Description: representation of the pump head plotted against the flow rate; Name: installation NPSH curve
Description: translation i of a pair of gears or a multiple gear pair is the ratio of the angle speed wa (or the speed na) of the first driving wheel to that of the last driven wheel wb (or nb); Name: Transmission ratio of the transmission