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1. |
A wall of thickness 0.6 m and thermal conductivity 0.6 W / m-K has a surface area of 1 m2. If the inner and outer temperature of the wall are 1840°C and 340°C, respectively, the rate of heat transfer will be: |
A. | 150 W |
B. | 75 W |
C. | 750 W |
D. | 1500 W |
Answer» E. | |