2. Figure Q1 shows the fresh and seawater flowing in parallel horizontal pipeline are connected to each other by a doubl

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2 Figure Q1 Shows The Fresh And Seawater Flowing In Parallel Horizontal Pipeline Are Connected To Each Other By A Doubl 1 (121.89 KiB) Viewed 23 times

2. Figure Q1 shows the fresh and seawater flowing in parallel horizontal pipeline are connected to each other by a double u tube manometer. Given the densities of seawater and mercury are Pocacater =1035 kg/m and Pmercury =13 600 kg/m3 respectively. By neglecting the pressure of the air in tube, determine the pressure different between the two pipe lines. (Given: hw=0.6m, hyg=0.1m, ha=0.8m, hc.=0.4m) To4 Air 13600 1035 Fresh water Sea water 0.6 Mercury Figure Q1 DK 2, DK 3, DK4 (10 marks) 3. A 3-m-long quarter-circular gate of radius 2 m is hinged about its upper edge at A as shown in Figure Q2. The spring is used to pressed the gate to control the water flow over the ledge B. Determine the minimum spring force required to keep the gate closed when the water level reach 6.8 m. water 6.8 m 5 YS radius 2m WWW B Figure Q2 DK 2. DK 3, DK4 (20 marks) 2