1. A turbine is to operate under a head of 25 m at a speed of 300 rpm. The discharge is 12 m3/s. Assuming an efficiency of 0.85, calculate the specific peed and power developed. What would be the specific speed, power, discharge and rotational speed at a head of 15 m?2. P1.23 * Francis turbine produces 6750 kW at 300 rpm under a net head of 45 m with an overall efficiency of 85%. What would be the revolutions per minute, discharge and brake power of this turbine under a net head of 60 m and under homologous conditions?
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