Water passes through a centrifugal pump impeller of 0.6 m outlet diameter and 0.4 m inlet diameter. the impeller is ro with respect to the tangential direction. the fluid enters radially with velocity of flow of 10 m/s and there is a constant radial flow through the device. the ideal head imparted to the fluid (in m) is a)-8.78 b)-3.34 c)-27.44 d)-5.28