The ratio of surface convection resistance to the internal conduction resistance is known as
A. Grashoff number
B. Biot number
C. Stanton number
D. Prandtl number
Answer: Option B
Solution(By Examveda Team)
The Biot number is the ratio of the internal resistance of a body to heat conduction to its external resistance to heat convection.This Question Belongs to Mechanical Engineering >> Heat And Mass Transfer
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Just reverse it.
Biot numb is define as the ratio of internal conductance resistance of solid to external convection resistance