JEE Main & Advanced
Sample Paper
JEE Main Sample Paper-34
question_answer
A circular steel strip of 1.20 m diameters is to be shrunk to a cart wheel whose average diameter is 0.36 cm greater than the inner diameter of the strip. If the coefficient of linear expansion of steel is \[1.2\times {{10}^{-5}}\,\,per\,{{\,}^{o}}C\], then the temperature to which the strip must be heated in order to just slip on the wheel is: