Q140
The ratio of surface convection resistance to the internal conduction resistance is known as
A.
Grashoff number
B.
Biot number
AnswerC.
Stanton number
D.
Prandtl number
Answer: Option B
Solution
Answer: Option B
Solution:
The Biot number is the ratio of the internal resistance of a body to heat conduction to its external resistance to heat convection.