A centrifugal pump having the dimensions shown develops a flow rate of 0.032 m³/s when pumping gasoline (ρ = 680 kg/m³). The inlet flow may be assumed to be radial. Estimate (a) the theoretical horsepower, (b) the head increase, and (c) the proper blade angle at the impeller inlet.

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5 cm 35° 10 cm 1650 грm 6.5 cm