p is a mechanised device which really helps to move liquids including fluids or gases. It is fundamentally a hydraulic machine which turns the mechanical energy to the hydraulic energy. The hydraulic energy is been within form of the pressure energy. There are many types of pumps such as positive displacement pumps, velocity pumps, Buoyancy pumps, Impulse pumps. The many different pumps are also been sub-classified in various other pumps. Positive Displacement pumps are..