1. A double nozzle Pelton wheel is required to generate 7500 KW when the available head at the base of nozzle is 400 m. The jet is deflected through 165⁰ and the relative velocity of jet is reduced by 15% in passing over the buckets. Determine: i) Diameter of each jet ii) Total flow iii) Force exerted by the jet. Assume generator efficiency is 95%, η₀= 80%, ø = 0.47.
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