Question
The thermal conductivity of a nonwoven fabric is given by λ = 0.03 + 0.00005Ï + 0.15/Ï where λ is the thermal conductivity of the fabric in W/(mâ‹…K), Ï is the bulk density of the fabric in kg/m3, and Ï∈[10,200].Thermal conductivity is minimum when the bulk density is approximately
Answer: Option C
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