(2)
d = 4 cm
$p_{atm}$
70 cm
(1)
d = 12 cm
120 cm
Pump
Water
FE3.6
FE3.7 A fireboat pump delivers water to a vertical nozzle with a 3:1 diameter ratio, as in Fig. FE3.6. If friction is neglected and the pump increases the pressure at section 1 to 51 kPa (gage), what will be the resulting flow rate?