CBSE Class 6 Answered
While laying railway tracks, a small gap is left between adjacent rails. Why?
Asked by Topperlearning User | 26 Jul, 2016, 06:02: PM
Expert Answer
The iron rails expand in summer, and the gap allows space for the expansion due to this a small gap is left between adjacent rails.
Answered by | 26 Jul, 2016, 08:02: PM
Concept Videos
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Changes around Us - 2
This video explains changes such as melting, expansion and contraction.
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