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2. Sump pump - Wikipedia

   en.wikipedia.org/wiki/Sump_pump

   Selection of a sump pump may consider: Automatic vs. manual operation – pump may be controlled automatically by a level switch. Power – Sump pump motive power will vary from 1/4 horsepower to multiple horsepower. Head pressure – The hydraulic head pressure of a sump pump describes the maximum height to which the pump will move water. For ...

3. Submersible pump - Wikipedia

   en.wikipedia.org/wiki/Submersible_pump

   A 0.75 HP bore-well submersible pump which had been used to pump groundwater One style of submersible pump for industrial use. Outlet pipe and electrical cable not connected. A submersible pump (or electric submersible pump (ESP) is a device which has a hermetically sealed motor close-coupled to the pump body. The whole assembly is submerged in ...

4. Comparison of pumps - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_pumps

   Different types of pumps are suitable for different applications, for example: a pump's maximum lift height also determines the applications it can be used for. Low-lift pumps are only suitable for the pumping of surface water (e.g., irrigation, drainage of lands, ...), while high-lift pumps allow deep water pumping (e.g., potable water pumping ...

5. Centrifugal pump selection and characteristics - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_pump_selection...

   This is a crucial parameter for pump selection and is a popularly used parameter for ascertaining industrial requirements. By eliminating the inlet head, we remove the effect of the supplied pressure to the pump and are left with only the pump’s energy (head) contribution to the fluid flow. Schematic representation of pressure heads in a pump.

6. Screw pump - Wikipedia

   en.wikipedia.org/wiki/Screw_pump

   The screw pump is the oldest positive displacement pump. [1] The first records of a water screw, or screw pump, dates back to Ancient Egypt before the 3rd century BC. [ 1 ] [ 2 ] The Egyptian screw, used to lift water from the Nile , was composed of tubes wound round a cylinder; as the entire unit rotates, water is lifted within the spiral tube ...

7. M274 ½-ton 4×4 utility platform truck - Wikipedia

   en.wikipedia.org/wiki/M274_½-ton_4×4_utility...

   The lower speeds and high power (14 hp or 10 kW) [2] of the Mule made it a versatile off-road vehicle. It could climb over logs, go up steep slopes, and cross rivers in first gear. Low range First – 1 mph (1.6 km/h) Second – 4 mph (6.4 km/h) Third – 9 mph (14 km/h)