Imperial Units: United States Customary Units, Fahrenheit, Pound, British Thermal Unit, Inch, Mile, Acre, Tablespoon, Square Mile, Ton Source Wikipedia

ISBN: 9781155533407

Published: August 14th 2011

Paperback

78 pages


Description

Imperial Units: United States Customary Units, Fahrenheit, Pound, British Thermal Unit, Inch, Mile, Acre, Tablespoon, Square Mile, Ton  by  Source Wikipedia

Imperial Units: United States Customary Units, Fahrenheit, Pound, British Thermal Unit, Inch, Mile, Acre, Tablespoon, Square Mile, Ton by Source Wikipedia
August 14th 2011 | Paperback | PDF, EPUB, FB2, DjVu, talking book, mp3, RTF | 78 pages | ISBN: 9781155533407 | 8.19 Mb

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 77. Chapters: United States customary units, Fahrenheit, Pound, British thermal unit, Inch, Mile, Acre, Tablespoon,MorePlease note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.

Pages: 77. Chapters: United States customary units, Fahrenheit, Pound, British thermal unit, Inch, Mile, Acre, Tablespoon, Square mile, Ton, Gallon, Horsepower, Yard, Furlong, Teaspoon, Hogshead, Peck, Grain, Barrel, Foot, English units, Comparison of the imperial and US customary measurement systems, History of measurement, Pint, Degree, Cup, Ounce, Chain, Twenty-foot equivalent unit, Rod, Avoirdupois, League, Gunters chain, Pound-force, Stone, Pounds per square inch, Fluid ounce, Foot-candle, Hundredweight, Bushel, Quart, Span, Hand, Miles per hour, Poundal, Perch, Cubic inch, Winchester measure, Thou, Slug, Cubic foot, Chaldron, Gill, Line, Dram, Minim, Rood, Square foot, Gunters measurement, Foot-pound, Hoppus, English Engineering Units, Square yard, Cubic yard, Long ton, Tmcft, Pound-foot, Cubic mile, Spinning count, Horsepower-hour, Foot-poundal, Trade gallon, Bucket, Homestead, Barleycorn, Kenning.

Excerpt: Horsepower (HP) is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts. Horsepower was originally defined to compare the output of steam engines with the power of draft horses. The unit was widely adopted to measure the output of piston engines, turbines, electric motors, and other machinery.

The definition of the unit varied between geographical regions. Most countries now use the SI unit watt for measurement of power. With the implementation of the EU Directive 80/181/EEC on January 1, 2010, the use of horsepower in the EU is only permitted as supplementary unit.

The definition of the horsepower also has varied between different applications: The development of the steam engine provided a reason to compare the output of horses with that of the engines that could replace them. In 1702, Thomas Savery wrote in The Miners Friend: So that an engine which will raise ...



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