P5 (15 Pts): The impeller of a radial water pump has an outer diameter of 10...

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P5 (15 Pts): The impeller of a radial water pump has an outer diameter of 10 in and rotates at 1600 rpm. A water flow of 1200 gpm enters the impeller axially and leaves at an absolute velocity of 90 ft/s and an angle of 30 relative to the impeller as shown in the figure. Determine the torque and power needed to drive the impeller. 90 ft/s 30 D = 10 in. 1600 rpm P5 (15 Pts): The impeller of a radial water pump has an outer diameter of 10 in and rotates at 1600 rpm. A water flow of 1200 gpm enters the impeller axially and leaves at an absolute velocity of 90 ft/s and an angle of 30 relative to the impeller as shown in the figure. Determine the torque and power needed to drive the impeller. 90 ft/s 30 D = 10 in. 1600 rpm