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Steam at 49 N/cm2 and 160°C is supplied to a single stage impulse turbine at the rate of 30 kg/min, from where it is exhausted to a condenser at a pressure of 1.96 N/cm2. The blade speed is 300 m/sec. The nozzles are inclined at 25° to the plane of the wheel and the outlet blade angle is 35°. Neglect friction losses and estimate (i) the theoretical power developed by the turbine; (ii) the diagram efficiency and; (iii) the stage efficiency.

                                  

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