Discuss the working principle of a manometer. 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 hj=0.1 m, h2 0.2 m, h3 0.35m. Take the densities of water, oil, and mercury to be 1000 kg/m', 850 kg/m and 13600 kg/m³ respectively.

Elements Of Electromagnetics
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Question 3
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, hz = 0.2 m, h3 = 0.35m. Take the densities of water, oil, and mercury to
be 1000 kg/m', 850 kg/m and 13600 kg/m³ respectively.
Oil
AIR
WATER
Mercury
Figure 1: Multi-fluid manometer
Transcribed Image Text:Question 3 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, hz = 0.2 m, h3 = 0.35m. Take the densities of water, oil, and mercury to be 1000 kg/m', 850 kg/m and 13600 kg/m³ respectively. Oil AIR WATER Mercury Figure 1: Multi-fluid manometer
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