1.

Iron is made slightly smaller than the wooden wheel. The rim is usually heated before fixing into wooden wheel because on heating the iron:a. fit onto the wooden wheel itselfb. Contract and fits onto the wooden wheelc. no change in the size take placed. expand first, then on cooling contracts and fits onto the wooden wheel

Answer»

Explanation:

- ACCORDING to your Question :-

Iron is made slightly SMALLER than the wooden WHEEL. The rim is usually heated before fixing into wooden wheel because on heating the iron ?

Ans:- B. CONTRACT and fits onto the wooden wheel

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