Pump: A small

Pump A small, electrically powered pump A large, electrically driven pump for waterworks near the Hengsteysee, Germany A pump is a device that moves fluids (liquids or gases), or sometimes slurries, [1] by mechanical action, typically converted from electrical energy into hydraulic or pneumatic energy. Pump , a device that expends energy in order to raise, transport, or compress fluids. The earliest pumps were devices for raising water, such as the Persian and Roman waterwheels and the more sophisticated Archimedes screw (q.v.). The mining operations of the Middle Ages led to development of the Bot VerificationVerifying that you are not a robot... In this article, you will learn what are different types of pumps? Explained with working, advantages, and applications with pictures [PDF].