a steel sphere is to be passed through a circular brass ring.At 20 degree celsius the outer diameter of the sphere is 25 cm and the inner diameter of the ring 24.9 cm.If both are heated together find the temperature at which the sphere willjust pass through the ring .given alpha steel =1.2*10^-5 per degree celsius and alpha brass=2.0*10^-5 per degree celsius.

Sounak Biswas , 6 Years ago

Grade 11