Question: Take g = 9.81 m s -2 A closed tank contains compressed air and oil with density 900 kg m -3 as shown in Figure
Take g = 9.81 m s-2
A closed tank contains compressed air and oil with density 900 kg m-3 as shown in Figure Q1 below. One end of a U-tube manometer with an unknown liquid is connected to the tank as shown, while the other end of the manometer is open to the atmosphere. An unknown liquid fills the manometer. If the absolute pressure in the pressure meter (Pressure gauge) is 1.3x105 Pa and the column heights are h1=800 mm, h2=180 mm and h3=240 mm, determine the density of the unknown liquid in the manometer.
The atmospheric pressure is 1.013x105 Pa.
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