There are two pumps that are not considered to be positive displacement pumps. One is the centrifugal pump and the other is the ____ pump.
A) lobe
B) bent-axis
C) impeller
D) internal gear

Question

Quizplus · Accepted Answer

The centrifugal pump is commonly known as a non-positive displacement pump, and the other pump that is not considered to be a positive displacement pump is the impeller pump, which works by transferring energy from the rotation of impellers to the fluid being pumped. The other options, such as lobe, bent-axis, and internal gear pumps, are positive displacement pumps.

There Are Two Pumps That Are Not Considered to Be