At a hydroelectric power plant site, the available head and flow rates are 24.5 m and 10.1 m3/s respectively. If the turbine to be installed is required to run at 4.0 revolution per second (rps) with an overall efficiency of 90%, the suitable type of turbine for this site is _______________. A. Francis B. Kaplan C. Pelton D. Propeller
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