Apump provides a flow rate of 0.05 m3/s of fluid with density 900 kg/m^3 while density of water at that temperature is 1000 kg/m3. if diffential head is 5 meters and pump efficiency is 85%. calculate the hydraulic power and shaft power?

Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way