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  2. Sump pump - Wikipedia

    en.wikipedia.org/wiki/Sump_pump

    Automatic level control can be integrated within the pump, or as an auxiliary switch with little or no physical connection to the pump. Which type of sump pump to use is a matter of personal choice. Pedestal sump pumps were the only option through most of the 20th Century, with cast iron and bronze construction similar to large commercial pumps.

  3. Circulator pump - Wikipedia

    en.wikipedia.org/wiki/Circulator_pump

    These are called the pump curves. They are determined by studies, whose methodology is standardized. These curves are specified when water is pumped with a density of 1000 kg/m3 and kinematic viscosity of 1 mm2/s. When the circulating pump is used for liquids of different density and viscosity, the pump curves have to be recalculated.

  4. Hand pump - Wikipedia

    en.wikipedia.org/wiki/Hand_pump

    First European depiction of a piston pump, by Taccola, c.1450. [2] Irrigation is under way by pump-enabled extraction directly from the Gumti, seen in the background, in Comilla, Bangladesh. One sort of pump once common worldwide was a hand-powered water pump, or 'pitcher pump'.

  5. Pumpjack - Wikipedia

    en.wikipedia.org/wiki/Pumpjack

    A diagram of a pumpjack. A pumpjack is the overground drive for a reciprocating piston pump in an oil well. [1] It is used to mechanically lift liquid out of the well if there is not enough bottom hole pressure for the liquid to flow all the way to the surface. The arrangement is often used for onshore wells. Pumpjacks are common in oil-rich areas.

  6. List of components of oil drilling rigs - Wikipedia

    en.wikipedia.org/wiki/List_of_components_of_oil...

    Mud pump (#4) is a reciprocal type of pump used to circulate drilling fluid through the system. Mud tank (#1) is often called mud pits and stores drilling fluid until it is required down the wellbore. Setback (#17) is a part of the drill floor (#21) where the stands of drill pipe are stood upright. It is typically made of a metal frame ...

  7. Flour Bugs Are a Real Thing—Here’s an Easy Way to ... - AOL

    www.aol.com/lifestyle/flour-bugs-real-thing-easy...

    Weevils also are known to infest oats, rice, corn, corn meal, sorghum, and cereal, so you might want to apply the same practice you do to your flour as those items as well.

  8. Cocoa was the top-performing commodity of 2024. The price of the bean surged as headwinds battered key producers. Prices are likely to stay high into 2025, analysts at ING said.

  9. Centrifugal pump - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_pump

    (2) the sum of 4 front element number call static pressure, the sum of last 2 element number call velocity pressure look carefully on the Fig 2.2 and the detail equation. [ clarification needed ] H t {\displaystyle H_{t}} : theoretical head pressure: g {\displaystyle g} = between 9.78 and 9.82 m/s 2 depending on latitude, conventional standard ...