Q. Heat transfer co-efficient equation for forced convection, Nu = 0.023 Re 0.8. Prn, is not valid, if the value of (Solved)
1. n = 0.4 is used for heating
2. n = 0.3 is used for cooling
3. Reynolds number for the flow involved is > 10000
4. Reynolds number for the flow involved is < 2100
- d. Reynolds number for the flow involved is < 2100