Question

Iron rim is made slightly smaller than the wooden wheel.The rim is usually heated before fixing into the wooden wheel 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:

Rims are heated red before fixing them because it will slips on to the wheel.When it is cooled it contracts and grips the wheel firmly...

Please mark as a brainlist

Explanation:

Answer 2

Explanation:

it was my real account but this account has been lose accidentally. this is my real account. feeling very said