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
Just reverse it.
Biot numb is define as the ratio of internal conductance resistance of solid to external convection resistance