A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is expos – McqOptions

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1.	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
A.	5.6
B.	0.025
C.	3.5
D.	0.0035
Answer» C. 3.5

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