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Which one of the following pump is not a positive displacement pump?

Which one of the following pump is not a positive displacement pump? Correct Answer centrifugal pump

Explanation:

Positive displacement pump:

  • Positive displacement pumps are those pumps in which the liquid is sucked and then it is pushed or displaced to the thrust exerted on it by a moving member, which results in lifting the liquid to the required height.
  • Reciprocating pump, rotary pump, vane pump are examples of positive displacement pump whereas the centrifugal pump is the non-positive displacement pump.​

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