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Q. |
What are the pumps that operate by alternately filling a cavity and then displacing a given volume of liquid called? |
A. | centrifugal pump |
B. | rotating pump |
C. | positive displacement pump |
D. | roto-dynamic pump |
Answer» C. positive displacement pump | |
Explanation: a positive displacement pump alternately fills a cavity and then displaces a given volume of liquid. for each cycle, this pump delivers a constant volume of liquid independent of discharge pressure or head. |
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