MEC E230 Lecture 5: Week3

Match the heat transfer process in ‘A B C’ to ‘P Q R.’

1. Conduction

2. Convection 

3. Radiation 

 P. Heat transfer from one molecule to another molecule

 Q. Heat transfer does not require a medium

 R. Heat transfer through a fluid.

Matter is needed to transfer thermal energy by

1. Conduction

2. Convection

3. Radiation

4. Both A and B

Which of the following primarily involves heat transfer by convection?

1. Heat transfer from hand to the ice

2. Heating of surface of a boiler

3. Heating of liquid from a heat source

4. Heating of roads by Sun