EX 2:A centrifugal pump delivers water against a total head of 10 m at a design speed of 1000 rpm. The vanes are curved backward and make an angle of 30° with the tangent at the outer periphery of the impeller. The impeller diameter is 30 cm and has a width of 5 cm at the outlet. (a) If the manometric efficiency is 0.95%, estimate the discharge of the pump. (b) Assuming an overall efficiency of 76%, estimate the power required to drive the pump. 39