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The turbine rotor has a mean blade ring diameter of 500mm and the blade angles are equal. The nozzle angle is 20° and the steam leaves the nozzles with a velocity of 900m/sec. Assuming a blade friction factor of 0.85, determine the (i) best blade angles, (ii) turbine speed in rpm, (iii) steam consumption rate in kg/hr if the turbine generates 10kw, and (iv) maximum blade efficiency.

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