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8. Why does a blacksmith heat the metal rim to fix it on a cart wheel?

8. Why does a blacksmith heat the metal rim to fix it on a cart wheel?

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
3 years ago
Ans: A blacksmith heats the metal rim to fix it onto a cart wheel because a metal rim is made slightly smaller. On heating, the rim expands and fits onto the wheel. Then on cooling, the rim contracts and fits tightly onto the wheel.

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