The two pipes are connected by a double U-tube manometer as shown in the figure where the brine pipe is connected to a tank filled with different fluids. Oil and brine are flowing in parallel horizontal pipelines. The pressure at the center of the oil pipe is 200 kPa. Take the density of water is 1000 kg/m? (a) Write the prepsure balance between points 1 and 2 (b) Find the pressure at point 2 (c) Write the pressure balance between points 2 and 3 (d) Find the pressure of point 3 Air S.G-0.001 Air 5.G-0.001 20 cm Water 30 cm S.G=1 50 m S.G-0.85 60 Brine S.G-1.1 30 cm 50 Mercury 10 S.G-13.6 10 cm 30 cm 30 cm Mercury S.G=13.6