A fireboat is to fight fires at coastal areas by drawing seawater (p = 1030 kg/m3)...

 

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A fireboat is to fight fires at coastal areas by drawing seawater (p = 1030 kg/m3) through a 10-cm-diameter pipe at a rate of 0.04 m/s and discharging it through a hose nozzle with an exit diameter of 5 cm. The total irreversible head loss of the system is 3 m, and the position of the nozzle is 3 m above sea level. For a pump efficiency of 70%, compute the water discharge velocity and the required shaft power input to the pump. 3 m A fireboat is to fight fires at coastal areas by drawing seawater (p = 1030 kg/m3) through a 10-cm-diameter pipe at a rate of 0.04 m/s and discharging it through a hose nozzle with an exit diameter of 5 cm. The total irreversible head loss of the system is 3 m, and the position of the nozzle is 3 m above sea level. For a pump efficiency of 70%, compute the water discharge velocity and the required shaft power input to the pump. 3 m