Question

give four uses of thermal expansion​

Answer 1

Answer:

The same happens in all liquids and gases, driving natural heat transfer upwards in homes, oceans, and weather systems. Solids also undergo thermal expansion. Railroad tracks and bridges, for example, have expansion joints to allow them to freely expand and contract with temperature changes.

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Answer 2

USES OF THERMAL EXPANSION :-

1. IT ALLOWS US TO MEASURE TEMPERATURES BY USING THERMOMETERS AS LIQUIDS EXPANDS THERMALLY.

2. IT ALLOWS US TO FIX A RIM TO A WOODEN WHEEL.

3. IT IS USED IN THERMOSTAT SWITCHES.

4. IT IS USED IN PENDULUM CLOCKS.

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