Q. The Dittus-Boelter equation for convective heat transfer [(i.e. h = 0.023 (K/D) (Re) 0.8 (Pr) 0.4] cannot be used for (Solved)
1. Low Reynold's number
2. Very low Grashoff number
3. Molten metals
4. All (A), (B) and (C)
- d. All (A), (B) and (C)
1. Low Reynold's number
2. Very low Grashoff number
3. Molten metals
4. All (A), (B) and (C)