AP and TS EAMCET Engineering Model Paper 14

Question : 95 of 159

Marks: +1, -0

A bimetallic strip of brass and steel, each having thickness of 1 cm at 20°C, is heated to 120°C. It bends with brass on the outer side. The radius of curvature of the curved surface is (α brass = 18×10−6/°C, α steel = 12×10−6/°C)