Expansion on heating can be a nuisance give two examples
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⭐αɳรωεɾ⭐
Examples of nuisance of thermal expansion :
1. Due. This may cause derailment of trains which travel on the track . This can be prevented by leaving small space between successive rails .
2. Due to high temperature in hot summer , cement floors or walls may give cracks.
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Explanation:
did to hot summer I don't know how you do practice book of quadrilatarels with you at? In this practice of Hindi chapter i am present present understand the ABM SCHOOL photos of quadrilatarels with its properties, when I have to do is
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