题目
Which of the listed methods of heat transfer takes place when two substances of different temperatures are in physical contact with each other A. radiationB. conductionC. convectionD. Each of radiotion conduction convection
Which of the listed methods of heat transfer takes place when two substances of different temperatures are in physical contact with each other
- A. radiation
- B. conduction
- C. convection
- D. Each of radiotion conduction convection
题目解答
答案
B
解析
热传递有三种基本方式：辐射、传导和对流。辐射是通过电磁波传递热能，不需要介质。传导是通过物质内部的粒子振动传递热能，需要物质直接接触。对流是通过流体的运动传递热能，需要流体的流动。当两种不同温度的物质直接接触时，热能通过物质内部的粒子振动传递，即传导。