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A pump is designed as a horizontal cylinder with a piston of areal `A` and and outlet orifice of areal a arranged mear the cylinder axis. Find the velocity of out flow of the liquid from the pump if the piston moves with a constant velocity under the action of a constant force F. The density of the liquid is `rho`.A. `sqrt((F)/(Arho))`B. `sqrt((2F)/(A rho))`C. `sqrt((A rho)/(F))`D. `sqrt((A rho)/(2F))` |
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Answer» Correct Answer - B `Deltap=(F)/(A)`. Difference in pressure energy is equal to difference in kinetic energy. `therefore (F)/(A)=(1)/(2)rho v^(2) " or" v=sqrt((2F)/(rho A))` |
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