6 122 WP SS An electrically driven pump operating at steady state draws water from a pond at a pressure of 1 bar and a rate of

Question

6 122 WP SS An electrically driven pump operating at steady state draws water from a pond at a pressure of 1 bar and a rate of 50 kg s and delivers the water at a pressure of 4 bar There is no sig nificant heat transfer with the surroundings and changes in kinetic and potential energy can be neglected The isentropic pump effi ciency is 75 Evaluating electricity at 8 5 cents per kWh estimate the hourly cost of running the pump

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