The power developed by a water turbine running at 120 rpm under a head of 27 m, is 10 MW. If a model with same rotor diameter operates under 20 m head; (a) Calculate the rotation speed of the model in rpm a. 6800 b. 8600 ั. 10000 d. 500 (b) Calculate the power output from the model in kW ะฐ. 103 b. 107 ั. 208 d. 301 (c) If the hydraulic efficiency is 100%, what is the discharge in m3/s through the Model a. 30.58 b. 27.32 c. 56.66 d. 93.53
