Question

you want to insert a metal rod into a metal cylinder but it is too tight which is the best way to make the rod fit into the cylinder ​

Answer 1

Answer:By cooling the rod and heating the cylinder

Explanation:when u cool the rod it contracts and becomes a little thinner and when u heat the cylinder it expands thus making it little fat. And after sometime when they come to their normal temperature they become normal back again and are hard to seperate.