11: What is Positive displacement pump? Name different types Positive displacement pump?
Positive displacement pump are those which discharge specific amount & quantity is constant.
Positive displacement pumps are that which prevents undesirable flow and pumps the fluid within the closed space.
Positive displacement pumps example are: Multistage pumps, Process type pumps, Chemical process pumps, canned motor pumps, Centrifugal pumps, Paper stroke pumps and deep well turbine pumps.
