Question: A fire pump delivers water through a 6 - in . main to a hydrant to which is connected a 3 - in . hose,

A fire pump delivers water through a 6-in. main to a hydrant to which is connected a 3-in. hose, terminating in a 1-in. nozzle. The nozzle is 10 ft above the hydrant and 60 ft above the pump. Assuming a total frictional loss of 28 ft from the pump to the base of the nozzle, and a loss in the nozzle of 6 percent of the velocity head in the jet, and neglecting air resistance, what gage pressure at the pump is necessary to throw a stream 80 ft vertically above the nozzle? Provide illustration and show complete solution.

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