Pick out the wrong unit conversion of thermal conductivity ?
A. 1 BTU/ft2.hr.F/inch = 1.488 kcal/m2. hr.C/m

B. 1 kcal/m.hr.C = 0.672 BTU/ft.hr.F = 1.163 W/m. K

C. 1 BTU/ft2.hr.F/ft = 1.488 kcal/m2. hr.C/m

D. 1 W/cm.C = 85.985 kcal/m.hr.C = 57.779 BTU/ft.hr.F

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