pumps In the test, the piston pump is connected to the pump at 750 rpm with a ratio of 16 and working fluid with 3 bar pressure. The data collected during the test are shown in the table below. The hydraulic and volumetric efficiency of the pump in the following conditions calculate (Specific weight of water 10000 and volume swept by piston 0212272 the torque arm (17,93) ) force volumetric flow outlet pressure inlet pressure (N) rate (lit/min) (bar) 8.4 25 3 (bar) -0.025