Physics · Thermal Expansion

Small gaps are deliberately left between consecutive steel rails on a railway track to:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Allow air circulation under heavy loads.
2Accommodate thermal expansion of metal rails during hot summers and prevent buckling.✓
3Save manufacturing material.
4Increase train speed through track vibration.

Correct answer

Accommodate thermal expansion of metal rails during hot summers and prevent buckling.

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