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  2. Experts explain how to keep your pipes from freezing and the ...

    www.aol.com/experts-explain-keep-pipes-freezing...

    "Most commonly, it starts where somebody accidentally left a hose hooked up to the outside of the house and they don't realize that water freezes in the hose line and goes through the hose bib or ...

  3. Mpemba effect - Wikipedia

    en.wikipedia.org/wiki/Mpemba_effect

    After the lecture, Mpemba asked him, "If you take two similar containers with equal volumes of water, one at 35 °C (95 °F) and the other at 100 °C (212 °F), and put them into a freezer, the one that started at 100 °C (212 °F) freezes first.

  4. Prepare for the coldest Arctic blast: How to keep your pipes ...

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    Water expands when it freezes, Sperlich said, so people should drip indoor facets when temps dip below 32 degrees. Just make sure you drip the farthest faucet from your main valve. "You don't have ...

  5. Auto-defrost - Wikipedia

    en.wikipedia.org/wiki/Auto-defrost

    "Frost-Free" refrigerator/freezer units usually use a heating element to defrost their evaporators, a pan to collect and evaporate water from the frost that melts from the cold plate and/or evaporator coil, a timer which turns off the compressor and turns on the defrost element usually from once to 4 times a day for periods usually ranging from ...

  6. Dry ice - Wikipedia

    en.wikipedia.org/wiki/Dry_ice

    In plumbing, dry ice is used to cut off water flow to pipes to allow repairs to be made without shutting off water mains. Pressurised liquid CO 2 is forced into a jacket wrapped around a pipe, which in turn causes the water inside to freeze and block the pipe. When the repairs are done, the jacket is removed and the ice plug melts, allowing the ...

  7. How and When to Winterize Your Rain Barrel (It Depends on ...

    www.aol.com/lifestyle/winterize-rain-barrel...

    Opening your rain barrel spigot just enough to release a gentle drip of water can keep rain barrels from freezing on a cold night. Just remember to close the spigot in the morning. Install a ...

  8. Cold water pitting of copper tube - Wikipedia

    en.wikipedia.org/wiki/Cold_water_pitting_of...

    The corrosion rate of copper in most potable waters is less than 2.5 μm/year, at this rate a 15 mm tube with a wall thickness of 0.7 mm would last for about 280 years. [2] In some soft waters the general corrosion rate may increase to 12.5 μm/year, but even at this rate it would take over 50 years to perforate the same tube.

  9. Frost line - Wikipedia

    en.wikipedia.org/wiki/Frost_line

    The frost line—also known as frost depth or freezing depth—is most commonly the depth to which the groundwater in soil is expected to freeze. The frost depth depends on the climatic conditions of an area, the heat transfer properties of the soil and adjacent materials, and on nearby heat sources.

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