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
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
9.) 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?
Answer: 24.102m
Subject: Fluid Mechanic
Lesson:Relative Equilibrium of Liquids
Fundamentals of Fluid Flow
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