Question: A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K For the same temperature drop and heat loss, this refractory wall can be replaced by a layer of diatomaceous earth of thermal conductivity 0.14 W/m.K and thickness __________ metre.
[A].0.01
0.1
0.25
0.5
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.