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  2. British thermal unit - Wikipedia

    en.wikipedia.org/wiki/British_thermal_unit

    The British thermal unit ( Btu) is a measure of heat, which is a form of energy. It was originally defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. It is also part of the United States customary units. [1] The SI unit for energy is the joule (J); one Btu equals about 1,055 J ...

  3. Dew point - Wikipedia

    en.wikipedia.org/wiki/Dew_point

    The dew point of a given body of air is the temperature to which it must be cooled to become saturated with water vapor. This temperature depends on the pressure and water content of the air. When the air is cooled below the dew point, its moisture capacity is reduced and airborne water vapor will condense to form liquid water known as dew. [1]

  4. Dishwashing - Wikipedia

    en.wikipedia.org/wiki/Dishwashing

    A dishwasher is a machine for cleaning dishware and cutlery automatically. Unlike manual dishwashing, which relies largely on physical scrubbing to remove soiling, the mechanical dishwasher cleans by spraying hot water, typically between 45 and 75 °C (110 and 170 °F), at the dishes, with lower temperatures used for delicate items.

  5. Residential water use in the U.S. and Canada - Wikipedia

    en.wikipedia.org/wiki/Residential_water_use_in...

    The average American family washes approximately 1.8 dishwasher loads each week. The average water volume per load was 6.1 gpl (23 lpl) and dishwashers accounted for about 1 percent of total indoor use. The EPA’s Energy Star Most Efficient 2017 dishwashers use 2.4 to 3.2 gallons (or 9 to 12 liters) per cycle.

  6. Properties of water - Wikipedia

    en.wikipedia.org/wiki/Properties_of_water

    Heat of vaporization of water from melting to critical temperature. Water has a very high specific heat capacity of 4184 J/(kg·K) at 20 °C (4182 J/(kg·K) at 25 °C) —the second-highest among all the heteroatomic species (after ammonia), as well as a high heat of vaporization (40.65 kJ/mol or 2257 kJ/kg at the normal boiling point), both of ...

  7. Conversion of scales of temperature - Wikipedia

    en.wikipedia.org/wiki/Conversion_of_scales_of...

    Converting units of temperature differences (also referred to as temperature deltas) is not the same as converting absolute temperature values, and different formulae must be used. To convert a delta temperature from degrees Fahrenheit to degrees Celsius, the formula is {ΔT}°F = ⁠ 9 5 ⁠{ΔT}°C. To convert a delta temperature from degrees ...

  8. IP code - Wikipedia

    en.wikipedia.org/wiki/IP_Code

    IP code. The IP code or ingress protection code indicates how well a device is protected against water and dust. It is defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 [1] which classifies and provides a guideline to the degree of protection provided by mechanical casings and electrical ...

  9. GoodGuide's Dishwasher Ratings: Miele Trumps Maytag - AOL

    www.aol.com/2011/03/22/goodguides-dishwasher...

    The Miele G2732SCI outscores more than 450 dishwashers rated by GoodGuide, while Maytag's Built-In Drawer Dishwasher ranks last. Consumer Ally has teamed up with GoodGuide, whose experts have ...