Figure 13.52 shows that a mixed-flow pump is recommended for delivering 10 000 gal/min of water at a head of 40 ft. If such a pump operates with a specific speed of 5000, compute the appropriate operating speed of the pump.

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Flow (m3/h) 2.3 100 000 23 230 2300 23 000 30 000 Reciprocating 10 000 3000 Multistage centrifugal Rotary 1000 Centrifugal 1750 rpm High-speed centrifugal 300 100 Centrifugal - 3500 pm 30 Mixed flow 10 10 Axial flow 100 1000 10 000 100 000 Flow (gal/min) Total head (ft) y) pea Total head (m)