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06-02-2020
Physics

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A manometer containing oil (rho = 850 kg/m3) is attached to a tank filled with air. If the oil-level difference between the two columns is 110 cm and the atmospheric pressure is 98 kPa, determine the absolute pressure of the air in the tank.

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Khoso123 Khoso123

06-02-2020

Answer:

[tex]P_{abs}=107172.35Pa\\ P_{abs}=107.172kPa[/tex]

Explanation:

Given data

[tex]P_{a}=98kPa\\ p_{oil}=850kg/m^{3}\\ h=110cm=1.10m[/tex]

To find absolute pressure of air in the tank.We must find the pressure athe parallel point from the right tube

So

[tex]P_{abs}=P_{a}+hp_{oil}g\\P_{abs}=98000Pa+(1.10m*850kg/m^{3}*9.81 )\\P_{abs}=107172.35Pa\\ P_{abs}=107.172kPa[/tex]

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