Why Do Rails Buckle In The Heat?

31 July 2018, 16:06

Rails
Picture: PA

Mystery Hour Question

Question: Why do rails buckle in the heat?

Name: Tom in Leeds

Answer

Name: Stuart in Canterbury

Qualification: Father was a metallurgist.

Answer: In hotter countries they have a wider gap between each rail. As the metal expands, they expand into each other.

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