What is a positive displacement pump? - Hydraulics & Pneumatics

Q.  What is a positive displacement pump?
- Published on 14 Aug 15

a. oil from suction side of the pump flows completely to the delivery side
b. volume of fluid discharged cannot return back to the suction side of the pump
c. discharges fixed volume of fluid every cycle
d. all of the above

ANSWER: all of the above

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