Refer to the drawing of operating curves for a positive displacement pump in a closed water system (see figure below).
Which one of the following describes the value of the pump head where the two curves cross?
A. The amount of pump head produced at zero flow rate.
B. The amount of pump head required to avoid cavitation.
C. The amount of pump head needed to maintain the system flow rate.
D. The amount of pump head converted to kinetic energy in the pump.
Show Answer
Answer: C
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