GATE CE 2025 Set 1 — Question 25
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Transportation Engineering → Railway Track Design → Gradients & Curves
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Question
The maximum degree of the curve that can be used for railways in a mountainous region is
Correct answer
(D) 40
Solution
The maximum degree of curvature for a railway track is dependent on the gauge. For Indian Railways, the standard maximum degree of curvature for Broad Gauge (BG) is . However, for Narrow Gauge (NG), which is typically used in mountainous regions to negotiate sharp curves, the maximum degree of curvature is . Therefore, in the context of mountainous regions, is the standard maximum value.
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