Question

Give three applications of heating and cooling in materials.

Answer 1

For exploiting the heating effect of electric current, the element of appliances must have high melting point to retain more heat. The heating effect of electric current is used in the following applications: Electric Bulb: In an electric bulb, the filament of bulb gives light because of heating effect of electricity.

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Answer 2

Applications of heating and cooling in materials:

• The three application with heating and cooling system the heating nuclear power plant where the internal high heat fusion and fission reaction is maintained by coolant reaction in the lining of the reactors.
• The glassware is made by heating the basic element at high temperature and cooling again the same material under extreme cold temperature.
• The other example is formation of candle by heating the wax in high temperature and adding the liquid wax in the mould to maintain the shape of the candle and dipping the mould in the cold liquid for candle formation.

To know more:

Mention one application of expansion on heating and contraction on cooling

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