expansion on heating can be a nuisance. explain giving 2 examples .
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Examples of nuisance of thermalexpansion : 1 ) Due to high temperature in hot summer , the railway rails may expand and change thier shape to irregular shape . Thismay cause derailment of trains which travel on the track . ... 2 ) Due to high temperature in hot summer , cement floors or walls may give cracks .
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Answer:1. Railway tracks are made up of iron which expands during the summers. Hence, if
no gap is left between two conjoined tracks, they will bend and result into serious
accidents.
2. A steel bridge also expands during the summers. This is the reason why one end
of a steel bridge is fixed and the other rested on rollers with enough space on its front to
allow it to expand easily. If this is not done, it will only cause serious damage to the
bridge.
Explanation:
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