# Questions with detailed step by step solutions from Heat Transfer

##### Questions in Heat Transfer
1. Boiling occurs at a fixed ______ .
2. Evaporation takes place at ______ .
3. Cooling is produced in the process of ______
4. Liquid expand ______ than they should.
5. Gases expand ______ than the liquid.
6. When air is blown over the surface of liquid, more heat transfer takes place and more, molecules evaporate
7. The increase in length of a metal rod depends on
8. The increase area of a plate depends upon
9. Coefficient of linear expansion $\left( \alpha \right)$ and superficial expansion $\beta$ are related as
10. Coefficient of cubical expansion ${{r}^{1}}$ is related to coefficient of linear expansion as follow