Question

Why is the iron rim of a bullock cart wheel heated before it is fitted onto the
wheel​

Answer 1

Answer:

29th and we will go to the waterfall site and see what happens

Answer 2

Explanation:

The iron ring to be put on the rim of a cart wheel is always of slightly smaller diameter than that of the wheel. When the iron ring is heated to become red hot, it expands and slips on to the wheel easily. When it is cooled, it contracts and grips the wheel firmly.