Question

iron rim is made sightly smaller than the wooden wheel. the rim is usually heated before fixing into the wooden because on heating the iron rim-
a. expands and fits onto the wooden wheel
b. contracts and fits onto the wooden wheel
c. no change in the size takes place
d. expands first, then on cooling contracts and fits onto the wooden wheel. ​

Answer 1

Answer:

Iron expands when heated. So when the smaller rim of iron is

heated it will fit the size of the wooden wheel, and once it is

cooled down, it will go back to the size to fit the wooden

wheel tightly.

Answer 2

Answer:

your answer is option (d)

Explanation:

mark me as brainleast