Question
A vessel of uniform cross-section open at the top with an orifice at its bottom contains oil (relative density 0.8) on top of water. It is immersed vertically in a large open tank of oil as shown in figure. Water flows out of the vessel.
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When the liquid stops, the height of the oil-water interface in the vessel is
P0 + 0.8915 = P0 + 0.895 + 1 × g × 4
The initial speed of water for the values given in the figure is nearly
P0 + 0.8915 + + 0 = (P0 + 0.895) + 0 + 1910
If the ratio of the crosssectional area of the vessel to that of the orifice is 50, the time in which the flow of the liquid stops is nearly
a = A(– dy/dt)