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Steady one-dimensional heat conduction takes place across the faces 1 and 3 of a composite slab consisting of slabs A and B in perfect contact as shown in the figure, where kA, kB denote the respective thermal conductivities. Using the data as given in the figure, the interface temperature T2 (in °C) is _________
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- 67.5°C
- 77.5°C
- 57.5°C
- 60.5°C
Correct Option: A
| = | ||||
| A | LA |
| = | LB |
| = | ||||
| 0.1 | 0.3 |
∴ T2 = 67.5°C
