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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.
For a complete list of all dimensions, see full list of units. {{Convert}} uses unit-codes , which are similar to, but not necessarily exactly the same as, the usual written abbreviation for a given unit.
As of right now the unit conversion template gives different values for 1,000 British thermal units per pound (2,300 kJ/kg) and 1,000 British thermal units per pound (2,300 kJ/kg) while describing both units as "British Thermal Units". Is there some method to the madness or does the code need fixing?
American cooks using British recipes, and vice versa, need to be careful with pints and fluid ounces. A US pint (16 US fluid ounces) is about 16·65 UK fluid ounces or 473 mL, while a UK pint is 20 UK fluid ounces (about 19·21 US fluid ounces or 568 mL): a UK pint is, therefore, about 20% larger than a US pint.
The table of imperial avoirdupois mass is the same as the United States table up to one pound, but above that point, the tables differ. The imperial system has a hundredweight, defined as eight stone of 14 lb each, or 112 lb ( 50.802 345 44 kg ), whereas a US hundredweight is 100 lb ( 45.359 237 kg ).
Laminates, metal non-metal Taylor I 30 varnished silicon steel foils each of thickness 0.014 inches (0.356 mm): density 7.36 g cm −3; measured near a temperature of 358.2 K under pressure in the range 0 — 132 psi: 0 psi 0.512 w m −1 K −1 20 psi 0.748 40 psi 0.846 60 psi 0.906 80 psi 0.925 100 psi 0.965 120 psi 0.992 132 psi 1.02 120 psi ...
Total metal jacket (TMJ or full metal case) bullets [1] are made by electroplating a thin jacket of ductile metal (usually copper) over a core of different metal requiring protection from abrasion or corrosion. [2] Similar full metal jacket bullets mechanically swage a thin sheet of metal over the core. The swaging process leaves an opening ...
The former Weights and Measures office in Seven Sisters, London (590 Seven Sisters Road). The imperial system of units, imperial system or imperial units (also known as British Imperial [1] or Exchequer Standards of 1826) is the system of units first defined in the British Weights and Measures Act 1824 and continued to be developed through a series of Weights and Measures Acts and amendments.