expansion on heating can be nuisance. explain giving two examples
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Example of nuisance of thermal expansion:1) Due to high temperature in hot summer, the railway rails may expand and change their shape to irregular shape. This may cause derailment of trains which travel on the track.
2) Due to high temperature in hot summer, cement floors or wall may give crack.
2) Due to high temperature in hot summer, cement floors or wall may give crack.
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