A Brass stopper snugly fits in the hole of steel plate.To remove the stopper easily, the system
(A) should be heated
(B) should be cooled
(C) may be heated or cooled
(D) can not be removed by heating or cooling

A brass disc fits snugly in a hole in a steel plate. Shou,d you heat or cool tyhe system to losen the disc from the hole ? given that alpha _b gt alpha _Fe .

Statement-1: A brass disc is just fitted in a hole in a steel plate. The system mst be cooled to loosen the disc from the hole Statement-2: The coefficient of linear expansion for brass is greater than the coefficient of linear expansion for steel.