Question

Give one example where expansion on heating is put good use explain the working with the help of a diagrams​

Answer 1

Answer:

Automatic fire alarm is an example of expansion on heating, which is put to good use

Explanation:

The fire alarm works on the principle that different solids expand differently when heated. An automatic fire alarm consists of a bimetallic strip which have two different metals strips, iron and brass, bolted together firmly.