2268Chemical EngineeringMedium
Pick out the wrong unit conversion of thermal conductivity?
A1 BTU/ft2.hr.°F/ft = 1.488 kcal/m2. hr.°C/m
B1 BTU/ft2.hr.°F/inch = 1.488 kcal/m2. hr.°C/m
C1 W/cm.°C = 85.985 kcal/m.hr.°C = 57.779 BTU/ft.hr.°F
D1 kcal/m.hr.°C = 0.672 BTU/ft.hr.°F = 1.163 W/m. °K
Correct answer
B. 1 BTU/ft2.hr.°F/inch = 1.488 kcal/m2. hr.°C/m
Explanation
The correct answer is 1 BTU/ft2.hr.°F/inch = 1.488 kcal/m2. hr.°C/m.