1.

Thermal conductivity of bulk grain varies from

A. 0.10-0.15 Kcal/mhr/?C
B. 0.15-0.20 Kcal/mhr/?C
C. 0.20-0.25 Kcal/mhr/?C
D. 0.25-0.30 Kcal/mhr/?C
Answer» B. 0.15-0.20 Kcal/mhr/?C


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