The coefficients of linear expansion of steel and brass are

Last updated: 6/13/2023

The coefficients of linear expansion of steel and brass are 11 x 10 6 C and 19 x 10 6 C respectively If their difference in lengths at all temperatures has to be kept constant is 30 cm their lengths at 0 C should be A 71 25 cm and 41 25 cm B 82 cm and 52 cm C 92 cm and 62 cm D 62 25 cm and 32 25 cm