Q. Arithmetic mean area can be used in heat transfer problem to calculate the heat flow by conduction through a cylinder which is (Solved)
1. Thin walled having the value of Ao Ai /< 2
2. Thick walled
3. Having the value of Ao/Ai > 2
4. Both (B) and (C)
- a. Thin walled having the value of Ao Ai /< 2