A blacksmith fixes iron ring on the rim of the wooden wheel of a bullock cart. The diameter of the rim and the iron ring are 5.036 m and 5.000 m respectively at 100 °C temperature.
What should be rise in temperature to heat the ring so as to fit on the rim of the wheel and final temperature of the wheel ? Given Co -efficient of linear expansion of Iron= 1.2x
10-5 °C-1
