explain why rails have gaps at specific distance
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When railway tracks are laid the engineers leave a small gap between two rails. ... These gaps which are of the order of a few millimeters, are provided to allow room for the rails to expand the rise in temperature due to the atmospheric temperature as well as the friction caused by running of train.Oct 30, 2018
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When they get heated up due to the sun or due to friction from wheels of the train, the metal will expand
In expansion of two rails are adjacent to each other then expansion might cause both of them to break
Hence, gaps are placed in between two rails
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