Chemical Engineering Mcqs

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

(B) 0.1

(C) 0.25

(D) 0.5

Submitted By :Ali Uppal

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