Determine the cost of the power required incents per liter

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A power washer used to clean the sidingof a hosue has water entering through a hose at 20C, 1atm and avelocity of 0.2m/s. A jet of water exits with a velocity of20m/s at an average elevation of 5m, with no significant change intemperature or pressure. At steady state, the magnitude ofthe heat transfer rate from the power washer to the surroundings is10% of the electrical power input. Evaluating electricity at8 cents per kW x h determine the cost of the power required, incents per liter of water delivered. Compare with the cost ofwater , assuming 0.05 centers per liter, andcomment.

Reference no: EM13621669

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