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A furnace is made of a red brick wall of thickness 0.5 m and conductivity 0.7 W/mK. For the same heat loss and temperature drop, this can be replaced by a layer of diatomite earth of conductivity 0.14 W/mK and thickness. | |
A. | 0.5 m [Wrong Answer] |
B. | 0.1 m [Correct Answer] |
C. | 0.2 m [Wrong Answer] |
D. | 0.5 m [Wrong Answer] |