question archive In An Axial Flow Pump, The Rotor Has An Outer Diameter Of 75 Cm And An Inner Diameter Of 40 Cm; It Rotates At 500 Rpm

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In An Axial Flow Pump, The Rotor Has An Outer Diameter Of 75 Cm And An Inner Diameter Of 40 Cm; It Rotates At 500 Rpm . At The Mean Blade Radius , The Inlet Blade Angle Is 12° And The Outlet Blade Angle Is 15° . Sketch The Corresponding Velocity Diagrams At Inlet And Outlet , And Estimate From Them (1 ) The Head The Pump Will Generate, (2 ) The Discharge Or Rate Of Flow In 1 / s, ( 3) The Shaft H.p . Input Required To Drive The Pump , And ( 4 ) The Specific Speed Of The Pump. Assume A Manometric Or Hydraulic Efficiency Of 88% And A Gross Or Overall Efficiency Of 81%.