Q. Which one of the following is the mode of heat transfer in which warm material is transported so as to displace a cooler material?
A. Conduction only
B. Convection only
C. Radiation
D. Both conduction and convection
Answer: Convection only
A. Conduction only
B. Convection only
C. Radiation
D. Both conduction and convection
Answer: Convection only