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A fire pump delivers water through a 300-mm-diameter main to a hydrant to which is connected 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?

A fire pump delivers water through a 300-mm-diameter main to a hydrant to which is connected 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?

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A fire pump delivers water through a 300-mm-diameter main to a hydrant to which
is connected 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?

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