Question

Which of the following is a characteristic of convection?

(a) The heat transfer occurs when the objects are in contact.

(b) Currents are involved in the transfer of heat from one object to

another.

(c) Heat transfer occurs without any medium.

(d) It is the fastest mode of heat transfer.​

Answer 1

Answer:

Mechanisms of Heat Transfer

Explanation:

Heat transfer is classified into various mechanisms, such as thermal conduction, thermal convection, thermal radiation, and transfer of energy by phase changes. Engineers also consider the transfer of mass of differing chemical species, either cold or hot, to achieve heat transfer.