Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning - Discussion


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


No answer description available for this question.

Dakahitesh said: (Aug 30, 2016)  
It's reciprocal of Prandtl number.

Ab Malik said: (Nov 7, 2017)  
Biot = conduction resistance/convection resistance.

Veniston James said: (Jun 8, 2018)  
Biot no = h/LK ( convection in surroundings and conduction within the body).

Nu = h/LK where both heat transfer takes place within the body.

Dixit said: (Apr 22, 2019)  
No @James.

The Right-1/Bi.

Saikiran said: (Jun 23, 2019)  
1/Bi is the right answer.

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