Description: Part of the maintenance time during which active maintenance is carried out on an object; Name: time for active maintenace
Description: Part of the maintenance time when active maintenance is carried out on an item ; Name: Active maintenance time
Description: Determined proportion of pump available power input, Pa, which is delivered as pump power output, Pu, after satisfying the losses resulting from friction due to the relative motion of internal surfaces and internal leakage ; Name: Hydraulic efficiency