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An 80 US gal (300 L; 67 imp gal) electric storage tank water heater was able to have a minimum energy factor of 86% under the pre-2015 standard, while under the 2015 standard, the minimum energy factor for an 80-gallon electric storage tank water heater is now 197%, which is only possible with heat pump technology. This rating measures ...
In 1824, these units were replaced with a single system based on the imperial gallon. [a] Originally defined as the volume of 10 pounds (4.54 kg) of distilled water (under certain conditions), [b] then redefined by the Weights and Measures Act 1985 to be exactly 4.546 09 L (277.4 cu in), the imperial gallon is close in size to the old ale gallon.
The density of thermal energy contained in the core of a light-water reactor (pressurized water reactor (PWR) or boiling water reactor (BWR)) of typically 1 GW (1000 MW electrical corresponding to ≈ 3000 MW thermal) is in the range of 10 to 100 MW of thermal energy per cubic meter of cooling water depending on the location considered in the ...
Countries by total wealth, 2022 (2023 publication) National net wealth, also known as national net worth, is the total sum of the value of a country's assets minus its liabilities.
The home and colonial areas of the world's empires in 1908, as given by The Harmsworth Atlas and Gazetteer. Empire size in this list is defined as the dry land area it controlled at the time, which may differ considerably from the area it claimed.
Individual protein needs vary, but Dr. Garcia-Webb recommends aiming for 1 to 1.2 grams of protein per kilogram of body weight per day, ideally spread out, with roughly 20 to 30 grams at each meal ...
NATO was established on 4 April 1949 via the signing of the North Atlantic Treaty (Washington Treaty). The 12 founding members of the Alliance were: Belgium, Canada, Denmark, France, Iceland, Italy, Luxembourg, the Netherlands, Norway, Portugal, the United Kingdom, and the United States.
The house cost $124,000 — again, in today’s dollars. I am six years older now than my dad was then. I earn less than he did and the median home price in Seattle is around $730,000. My father’s first house cost him 20 months of his salary. My first house will cost more than 10 years of mine.