A 1: 2 model of a turbine is operated at 600 rpm under a net head of 15 m. The brake power of the model is 300 kW under a discharge of 2.3 m3/s. The prototype is to work under net head of 90 m. Compute the (a) specific speed of the model, (b) overall efficiency of the model, (c) overall efficiency of the prototype, and (d) brake power of the prototype.
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