Fluid is flowing through a Venturi meter whose diameter is 31 mm at the entrance part and 19 mm at the throat. The pressure is measured to be 735 kPa at the entrance and 550 kPa at the throat. Neglecting frictional effects, determine the density of fluid (Discharge of the fluid 0.0061 m/s, g=9.81 m/s2). (30 points) P1 = 735 kPa P2 = 550 kPa e 31 mm 19 mm