Why Gaps are left between the rail to allow for expansion?
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So that there is enough margin for the tracks to expand and contract due to the temperature changes. If that gap is not left then the tracks might have enormous stress in them while expanding due to heat. ... When a substance is heated, the kinetic energy of its molecules increases
Sangram11:
no it's not a correct answer
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the gaps are left between the rail because when it is the season of winter the railway tracks expands and contract in summer season so the gaps have kept
answer is almost correct but one mistake is there in summer it expands wherein winter it contracts
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