engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Heat Transfer Conduction Fourier Law and Thermal Conductivity
Two walls of the same thickness and cross-sectional area have thermal conductivities in the ratio 1 : 2. If same temperature difference is maintained across the two faces of both the walls, what is the ratio of heat flow Q1/Q2
1
1/2
2
1
3
2
4
4