7062Chemical EngineeringMedium
A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m2.K. The Biot number is ________?
A0.0035
B3.5
C5.6
D0.025
Correct answer
D. 0.025
Explanation
The correct answer is 0.025.