Water hand pumps are manually operated pumps; They are used for bringing water from earth underground to earth surface and is used in every country for a variety ..
Pumps are the machines that raise water from underground to the required height by the power given to the impellers by motors. Pumps are mainly used by the farmers ..
The performance of a centrifugal pump can be known by finding the following efficiencies: Mechanical efficiency Hydraulic efficiency Volumetric efficiency Overall ..
