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The distance shown by red line represents ______________(a) separation(b) parallel way(c) height(d) gauge |
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Answer» Right option is (d) gauge To elaborate: During the early days of rail, there was considerable variation in the gauge used by different systems. Today, 54.8% of the world’s railways use a gauge of 1,435 mm (4 ft 8 (frac{1}{2}) in), known as standard or international gauge. Gauges wider than standard gauge are called broad gauge; narrower, narrow gauge. Some stretches of track are dual gauge, with three (or sometimes four) parallel rails in place of the usual two, to allow trains of two different gauges to use the same track. |
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