Physics, asked by ranashivam1920, 3 months ago

Why are iron bridges mounted on steel rollers? question/ answere

Answers

Answered by Sourya06

0

Answer:

So that the iron can expand in summer and contract in winter freely without any hindrance or damage to bridge.

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Answered by kashmirsingh185

0

Explanation:

iron bridges mounted on steel rollers because iron reacted on meatel

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