Question #311113

A closed tank contains 0.5m of mercury density 13600 kg/m3 , 2m of water of density 1000 kg/m3 and 3m of oil of density 900 kg/m3 and there is an air space above the oil. The gauge pressure at the bottom of the tank is 200 kPa.

(i) Illustrate the stratification of the fluids under gravity with aid of diagram

(ii) Determine the gauge pressure at the top of the tank


1
Expert's answer
2022-03-14T09:45:45-0400

p=pg(ρ1h1+ρ2h2+ρ3h3)=85 kPa.p'=p-g(\rho_1h_1+\rho_2h_2+\rho_3h_3)=85~kPa.


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