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The elements of railroad engineering (1897)

International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 405

An illustration from The elements of railroad engineering, 1897, leaf 405
Solution.—7/„. = 4.027 ft. per sec. Ans. bd~ %\y^\\~ 3.75 1021. It should be kept in mind that a weir is but arectangular opening. It is a special name given to a rec-tangular orifice. Some writers use the term rectangularnotch, instead of weir. 1022. In Fig. 183 isrepresented a weir whosetop is… … 394 HYDROMECHANICS. surface of the water, the actual discharge Q^ in cubic feetper second is a = .41 bVTg {\0? - sOT:). (44.) That is, the actual discharge through a weir xvliose top is //,feet, and whose bottom is h feet below the surface of the water,equals .Jfl times the breadth of the weir…

Railroad engineering

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