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Density of air is 1.225 kg/m3 = 1.225 × 10-3 kg/L. 1 lb = 0.453592 kg. Can you take it from there?


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The bigger pump affects the smaller pump by changing the system when it is on. In this case, the bigger pump will cause the pressure at the inlet to the smaller pump to drop. The pressure drop will be proportional to the inlet pipe run. This pressure drop would reduce flow through the small pump. One could imagine a scenario where a large pump causes ...


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