Question

give reason an iron rim is heated before fitting on the tyres​

Answer 1

Solution: 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 rim is heated before fitting in the tires to make it tight 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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