Two Bell & Gossett Series e-1531 Model 6BD pumps are connected in parallel. One pump has a

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Two Bell & Gossett Series e-1531 Model 6BD pumps are connected in parallel.
One pump has a 9-inch impeller and the other pump has a 9.5-inch impeller.
When both pumps are running in a system, the fluid flow rate is 3600 gpm.

a. Construct a plot showing the individual pump performance curves and the series pump configuration performance (head vs. capacity).

b. Determine the operating point (capacity, head, power draw, and efficiency) of each pump in this parallel configuration.

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