What is a common application of positive-displacement pumps?

Positive-displacement pumps are known for their ability to move a specific volume of fluid with each cycle, which makes them particularly suitable for applications requiring precise flow control. In the context of intravenous medication delivery, the pump can accurately deliver a predetermined amount of medication into a patient's bloodstream. This precision is crucial in medical settings, where dosage accuracy directly affects patient care and treatment outcomes. The consistent flow rate and ability to handle viscous fluids also enhance their effectiveness for this purpose.

While positive-displacement pumps can indeed be found in other applications like water supply systems, fire protection services, and vacuum systems, these scenarios may not always require the same level of precision and control over fluid volume as found in intravenous administration, where even slight variations in dosage can have significant repercussions.