Q. Thermal diffusivity is (Solved)
1. a dimensionless parameter
2. function of temperature
3. used as mathematical model
4. a physical property of the material
5. useful in case of heat transfer by radiation.
- d. a physical property of the material
1. a dimensionless parameter
2. function of temperature
3. used as mathematical model
4. a physical property of the material
5. useful in case of heat transfer by radiation.