At a particular stage of a reaction turbine the mean blade speed is 150 m/s. The exit angles of the fixed and moving blades are 20o. The inlet angles of the fixed and moving blades are 30o. The stage efficiency is 80%. The pressure at entry to the stage is 15 bar and the temperature is 200oC. Determine: (a) the specific enthalpy drops across the stage in kJ/kg; (b) the drum diameter and blade height if the blade height is one –tenth of the drum diameter and the steam flow is 100 kg/s; (c) the percentage increase in relative velocity across. The blading as the result of the pressure drop across the blading.