Why iron rims are heated red hot before fixing them on cart wheels
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Answered by
150
because things expands on heating so iron rims are heated when the expands they are fuxed on the wheels so that when it cools down it holds the wheel firmly .
hope this helps ☺
hope this helps ☺
Answered by
76
The metal rims to be put on a cart wheel is designed to have a smaller diameter than that of the wheel. When this rim is heated, it becomes 'red hot', expands and slips on the wheel easily. When it is cooled in contact and grips the wheel firmly.
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