75 t Datum A The 6" impeller pump from figure below is used to transfer water from the lake at A into a large storage tank, B. This is done through a 3" diameter cast iron pipe that is 300 ft long. Determine the flow rate when minor losses are neglected. What is the corresponding efficiency and bhp input? Head (ft) 175-6 in. dia 150 5.5 in. dia. 125 5 in. dia. 100 75 50 25 100 D 65% 70% 75%- 200 B 80% 86%-80% 75% 10 bhp 0-1750 RPM 70% 18 bhp 65%- 25 bhp 20 bhp 300 337 400 470 500 600 700 Flow Q(gal/min) 800 (NPSH)req' 7 10