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This is a list of notable railway track gauge conversions, railway lines where the distance between the rails is broadened or narrowed.Conversions to broader gauge are generally to accommodate heavier loads or for wider cars, while conversions to narrower gauge tend to be for compatibility with other lines on a rail network.
Track gauge conversion is the changing of one railway track gauge (the distance between the running rails) to another. In general, requirements depend on whether the conversion is from a wider gauge to a narrower gauge or vice versa, on how the rail vehicles can be modified to accommodate a track gauge conversion, and on whether the gauge conversion is manual or automated.
Hardness Conversion Table – Brinell, Rockwell,Vickers – Various steels . (archived November 11, 2011) Rockwell to Brinell conversion chart (Brinell, Rockwell A,B,C) Struers hardness conversion table (Vickers, Brinell, Rockwell B,C,D)
A broad-gauge railway is a railway with a track gauge (the distance between the rails) broader than the 1,435 mm (4 ft 8 + 1 ⁄ 2 in) used by standard-gauge railways.. Broad gauge of 1,520 mm (4 ft 11 + 27 ⁄ 32 in), more known as Russian gauge, is the dominant track gauge in former Soviet Union countries (CIS states, Baltic states, Georgia, Ukraine) and Mongolia.
Project Unigauge, started on 1 April 1992, [1] is an ongoing effort by Indian Railways to convert and unify almost all rail gauges in India to 1,676 mm (5 ft 6 in) broad gauge. Progress [ edit ]
The factor–label method can convert only unit quantities for which the units are in a linear relationship intersecting at 0 (ratio scale in Stevens's typology). Most conversions fit this paradigm. An example for which it cannot be used is the conversion between the Celsius scale and the Kelvin scale (or the Fahrenheit scale). Between degrees ...
By default, the output value is rounded to adjust its precision to match that of the input. An input such as 1234 is interpreted as 1234 ± 0.5, while 1200 is interpreted as 1200 ± 50, and the output value is displayed accordingly, taking into account the scale factor used in the conversion.
The standard designation for a UTS thread is a number indicating the nominal (major) diameter of the thread, followed by the pitch measured in threads per inch.For diameters smaller than 1 / 4 inch, the diameter is indicated by an integer number defined in the standard; for all other diameters, the inch figure is given.