Question: 1. Discuss the working principle of a manometer. 2. The water in a tank is pressurized by air, and the pressure is measured by

1. Discuss the working principle of a manometer. 2. The water in

1. Discuss the working principle of a manometer. 2. The water in a tank is pressurized by air, and the pressure is measured by a multi-fluid manometer as shown in the figure below. The tank is located on a mountain at an altitude of 1400m where the atmospheric pressure is 85.6 kPa. Determine the air pressure in the tank if hi-0.1 m, h = 0.2 m, h3 0.35m. Take the densities of water, oil. and mereurv to be 1000 kg/m', 850 kg/m' and 13600 kg/m' respectively. Oil AIR WATER Mercury Figure 1: Multi-fluid manometer

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