From the given options, identify the statement that accurately describes the total efficiency of a centrifugal pump.
1
The ratio of manometric head to the energy supplied by the impeller per Newton of water
2
The ratio of energy supplied to the pump to the energy available at the impeller
3
The ratio of energy is available at the impeller to the energy lost
4
The ratio of actual work done by the pump to the energy supplied to the pump by the prime mover
5
Question Not Attempted