(b) Water flows through the branching pipe as shown in the Figure 3b. If viscous effects are negligible, determine the pressure at section (2) and the pressure at section (3). [y of water = 9.81 kN/mÂł]
$Q_1 = 1 \text{ m}^3/s$
$A_1 = 0.1 \text{ m}^2$
$P_1 = 300 \text{ kPa}$
$z_1 = 0$
(3)
$A_3 = 0.035 \text{ m}^2$
$z_3 = 10 \text{ m}$
$V_2 = 14 \text{ m/s}$
$A_2 = 0.03 \text{ m}^2$
$z_2 = 0$
(1)
(2)
Figure 3b
(10 marks)
