A copper collar is to fit tightly about a steel shaft that has a diameter of 6 cm at `20^@C`. The
Channel: Doubtnut
Date: 2020-07-26

A copper collar is to fit tightly about a steel shaft that has a diameter of 6 cm at `20^@C`. The inside diameter of the copper collar at the temperature is `5.98cm`  Q. To what temperature must the copper collar be raised to that it will just slip on the steel shaft, assuming the steel shaft remains at `20^@C` ? `(alpha_("copper")=17xx10^(-6)//K`)