unit 2

2. beyond a certain point the ____in length of fin doesn't contributes in increase of disspiation of heat.
4. all solids have temperature _____, when heat is added or removed.
5. an automobile radiator is ____type of heat exchanger
7. all solids have ____thermal conductivity.
9. fourier number signifies the degree of ____ of heating or cooling effect.
10. RC electrical circuits are used for ____behaviour of thermal system.
13. in newtonian heating _____is assumed negligible with its surface resistance.
15. the temperature distribution of newtonian heating is _____in nature.

1. an increase in convective coefficient over a fin ___effectiveness
3. in transient state temperature vary____
6. the time required for a thermocouple to reach 63.2 percent of initial temperature.
8. provides extra surface for heat conduction
11. small boit number indicates relatively _____temperature gradient.
12. conduction of heat in ___state refer to the transient condition.
14. number is a ratio of internal resistance to surface resistance.