Question

Iron rim is made slightly smaller than 1 point the wooden wheel. The rim is usually heated before fixing into the wooden wheel, because on heating the iron rim * O a) Expands and fits onto the wooden wheel. O b) Contracts and fits onto the wooden wheel. O c) No change in the size takes place. O d) Expands first, then on cooling contracts and fits onto the wooden wheel.​

Answer 1

Answer:

Iron rims are made smaller than wooden wheels. When the iron rim is heated, it expands and will have the same size as wooden wheels. When water is poured, the rims become cool and get compressed. Thus it can take the shape of the wooden wheel and gets fixed on the wheels firmly.