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It was originally defined as the rate of heat transfer that results in the freezing or melting of 1 short ton (2,000 lb; 907 kg) of pure ice at 0 °C (32 °F) in 24 hours. [1] [2] The modern definition is exactly 12,000 Btu IT /h (3.516853 kW). Air-conditioning and refrigeration equipment capacity in the U.S. is often specified in "tons" (of ...
Another unit common in non-metric regions or sectors is the ton of refrigeration, which describes the amount of water at freezing temperature that can be frozen in 24 hours, equivalent to 3.5 kW or 12,000 BTU/h. [1] [2] [3]
This unit of refrigeration capacity came from the days when large blocks of ice were used for cooling, and is still used to describe the heat-removal capabilities of refrigerators and chillers today. One ton of refrigeration is exactly equal to 12,000 BTU/h, or 3.517 kW.
1.0 long ton (1.0 t) LT t; LT MT; LT ST; long ton long ton short ton: ST (none) 2,000 lb used mostly in the US. Allows triple output units. See: full list. 1.0 short ton (0.91 t) ST t; ST MT; ST LT; short ton short ton stone: st st 14 lb used previously in the British Commonwealth except Canada. Allows triple output units. See: full list. 1.0 ...
The Btu should not be confused with the Board of Trade Unit (BTU), an obsolete UK synonym for kilowatt hour (1 kW⋅h or 3,412 Btu). The Btu is often used to express the conversion-efficiency of heat into electrical energy in power plants. Figures are quoted in terms of the quantity of heat in Btu required to generate 1 kW⋅h of electrical energy.
The No. 1 snack for more energy, according to dietitians. Food. The Pioneer Woman. 16 smart ways to use up a gallon of milk to avoid wasting it. Lighter Side. Lighter Side. Good Morning America.
One drink is defined as 1.5 ounces of liquor, 12 ounces of beer or 5 ounces of wine. Taub-Dix points out that alcoholic cocktails are often made with ingredients like mixers, syrups and juice drinks.
Avoirdupois is a system of mass based on a pound of 16 ounces, while Troy weight is the system of mass where 12 troy ounces equals one troy pound. The symbol g 0 is used to denote standard gravity in order to avoid confusion with the (upright) g symbol for gram.