During a flow of 0.43 m/s the gage pressure is 70 kPa in the horizontal 300 mm supply line of a water turbine and - 41 kPa at an 450 mm section of the draft tube 1.6 m. below. Assuming an efficiency of 85%, compute the horsepower output of the turbine. 300mm a. 75.67 hp c. 56.67 hp 1.6 m 450 mm b. 69.35 hp d. 59.56 hp