When iron tyre is fitted on the wooden wheel of cart, the iron tyre is heated first?
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Hey dude......
To ensure a tight fit, the tyre is made slightly smaller in diameter than the wheel. The tyre is first heated due to which it expands. The heated tyre 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:
iron conducts heat quickly than wood .Wood is made of little cells .Heat has get through each if these cells, which have air inside . Air is a great insulator.so heat has hard time making the journey.
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