A fire pump delivers water through 300-mm diameter main to a hydrant which is connected to a cotton rubber-lined fire hose 100 mm in diameter terminating to a 25-mm diameter nozzle. The nozzle is 2.5...


A fire pump delivers water through 300-mm diameter main to a hydrant which is connected to a cotton rubber-lined fire hose 100 mm in diameter terminating to a 25-mm diameter nozzle. The nozzle is 2.5 m above the hydrant and 16 m above the pump. Assuming frictional losses of 3 m from the pump to the hydrant, 2 m in the hydrant, 10 m from the hydrant to the base of the nozzle, and the loss in the nozzle of 4% of the velocity head in the jet, to what vertical height can the jet be thrown if the gage pressure right after the pump is 550 kPa?







Sep 27, 2022
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