30 ft Q. V Pump
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The very large water tank in Fig. P3.147 is discharging
through a 4-in-diameter pipe. The pump is running, with a
performance curve h p ≈ 40 - 4 Q 2 , with h p in feet and Q in
ft 3 /s. Estimate the discharge fl ow rate in ft 3 /s if the pipe
friction loss is 1.5( V 2 /2 g ).
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