Question

iron rims are heated before they are fixed on the wooden wheels .why?​

Answer 1

Answer:

Iron rims are heated before they are fixed on the wooden wheel, to ensure a tight fit, the tyre is made slightly smaller in diameter than the wheel. As the tyre is first heated due to which it expands it is then fitted on the wheel. When the tyre cools, it contracts and makes a tight fit on the wheel.

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Answer 2

Answer:

Iron rims are heated before they are fixed on the wooden wheel, to ensure a tight fit, the tyre is made slightly smaller in diameter than the wheel. As the tyre is first heated due to which it expands it is then fitted on the wheel. When the tyre cools, it contracts and makes a tight fit on the wheel.

Explanation:

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