A pump that operates by driving a piston up and down is called a ___ pump.

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Multiple Choice

A pump that operates by driving a piston up and down is called a ___ pump.

Explanation:
Piston-driven up-and-down motion is characteristic of a reciprocating pump. This design traps a fixed volume of fluid and pushes it out with each back-and-forth stroke, making it a positive-displacement device. Rotary pumps rely on rotating components for continuous flow, centrifugal pumps use an impeller to add velocity that’s converted to flow, and diaphragm pumps use a flexible membrane to alternately draw in and push out fluid. So the described pump is a reciprocating pump.

Piston-driven up-and-down motion is characteristic of a reciprocating pump. This design traps a fixed volume of fluid and pushes it out with each back-and-forth stroke, making it a positive-displacement device. Rotary pumps rely on rotating components for continuous flow, centrifugal pumps use an impeller to add velocity that’s converted to flow, and diaphragm pumps use a flexible membrane to alternately draw in and push out fluid. So the described pump is a reciprocating pump.

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