Question

Write in steps how a metal strip can be fixed on a wheel. Give an explanation

Answer 1

Answer:

A bimetallic strip is used to convert a temperature change into mechanical displacement. The strip consists of two strips of different metals which expand at different rates as they are heated, usually steel and copper, or in some cases steel and brass. The different expansions force the flat strip to bend one way if heated, and in the opposite direction if cooled below its initial temperature. The metal with the higher coefficient of thermal expansion is on the outer side of the curve when the strip is heated and on the inner side when cooled.

Explanation:

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Answer 2

Answer:The iron is first heated so as to expand it. After that, the wooden wheel is put and very cold water is put on the iron to cool it. After cooling, it contract with the wooden wheel.

Explanation: