Question 2 (11 marks) The shaft power of a centrifugal water pump is 320.8 kW. The impeller width is 76 mm at outlet and

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Question 2 (11 marks) The shaft power of a centrifugal water pump is 320.8 kW. The impeller width is 76 mm at outlet and

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Question 2 (11 marks)
The shaft power of a centrifugal water pump is 320.8 kW. Theimpeller width is 76 mm at outlet and the tip diameter is 254 mm.The impeller vanes occupy 8 % of the impeller circumference. At avolume flow rate of 1.0 m3/s, the speed is 1450 rpmagainst a head of 22.9 m. If the hydraulic efficiency is 83% andflow is radial at inlet:
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