Question

A compound slab is composed of two parallel layers of different material, with thickness 3 cm and 2 cm. The temperatures of the outer faces of the compound slab are maintained at 100 and 0°C. If conductivities are 0.036 cal/cm-sec-°C and 0.016 cal/cm-sec-°C then the temperature of the junction is (1) 40°C (2) 60°C (4) 50°C (3) 100°C​

Answer 1

Answer = B (2), Full explanation is attached above.

Answer 2

Answer:

Please check the attached image solution