Minnesota Boiler License Practice Exam

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What would a pump performance curve chart show?

  1. The temperature on the suction and discharge sides of the pump

  2. The horsepower of the pump

  3. The output of the pump in gallons per minute

  4. All of the answers mentioned

The correct answer is: The output of the pump in gallons per minute

A pump performance curve chart is a critical tool used to understand how a pump operates under various conditions. It typically displays the relationship between the flow rate of the pump, measured in gallons per minute (GPM), and the head it generates, which is a measure of the pressure produced by the pump. While option C identifies a key aspect of the chart—the output of the pump in gallons per minute—it is important to note that a performance curve also encompasses other vital information, such as horsepower and efficiency at different flow rates and pressures. The other choices may suggest conditions or parameters related to pump performance, but a comprehensive understanding of a pump's operation would be incomplete without acknowledging that the performance curve provides a holistic view of flow rate, head, horsepower, and efficiency over the pump's operational range. Thus, the most accurate answer includes all the aspects presented in the choices.

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